Related by context. All words. (Click for frequent words.) 52 cellulosic ethanol 51 Verenium Corporation 51 Myriant 51 Xethanol 51 NASDAQ VRNM 50 Dyadic 49 Genomatica 48 Metabolix 48 http:/www.verenium.com 48 Celunol 48 Verdezyne 48 Amyris 48 Dyax 47 Evogene 47 cellulosic biofuels 47 Lignol 46 biobutanol 46 Neose 46 Verenium VRNM 46 Genencor 45 Qteros 45 PetroAlgae 45 Myriant Technologies 45 Mendel Biotechnology 45 SunEthanol 45 Novozymes 45 VRNM 45 ChromaDex 45 Syntroleum 45 Dyadic International 44 Solazyme 44 Abengoa Bioenergy 44 Nasdaq VRNM 44 BlueFire Renewables Inc. 44 Martek 44 Mendel Biotechnology Inc. 44 Microbia 44 Aurora Algae 43 Proprius Pharmaceuticals 43 DuPont Danisco 43 biogasoline 43 ALL Fuels 43 Memory Pharmaceuticals 43 Evogene Ltd. TASE EVGN 43 cellulose ethanol 43 Cyntellect 43 Avantium 43 cellulosic 43 GPRE 43 cellulosic biorefinery 43 Maxygen 43 Cobalt Biofuels 43 BioAmber 43 ZeaChem 43 Virent 43 Genaissance 43 PolyTherics 42 Synthetic Genomics 42 Athenix 42 DuPont Danisco Cellulosic Ethanol 42 InSite Vision 42 BlueFire Ethanol 42 Abgenix 42 Cytomyx 42 Syntroleum Process 42 SemBioSys 42 GS AgriFuels 42 BioEnergy 42 CytRx 42 Senomyx 42 Virage Logic 42 CO2 Solution 42 HR BioPetroleum 42 Inhibitex 42 NeoGenomics 42 Northeast Biofuels 42 SEQUENOM 42 BlueFire Renewables 42 Dynamotive 42 LS9 42 NASDAQ SYNM 42 Vanguard Natural Resources 42 Bio BDO 41 Aradigm 41 ClearFuels 41 Devgen 41 Landec 41 XOMA 41 Codon Devices 41 Zenergy International 41 CuraGen 41 Iogen Energy 41 canola proteins Puratein 41 SilvaGas 41 commercialize cellulosic ethanol 41 Direvo 41 LibraGen 41 AE Biofuels 41 GlycosBio 41 Solix Biofuels 41 Pure Biofuels 41 Industrial Biotechnology 41 FoldRx 41 Facet Biotech 41 Stratos Renewables 41 Incyte 41 Arnold Klann CEO 40 FutureWorld Energy 40 Memgen 40 Agrivida 40 Novomer 40 Codexis 40 farnesene 40 H2Diesel 40 Butamax 40 Terrabon 40 Primafuel 40 Amarin 40 ActivX 40 Ensyn 40 Protein Polymer Technologies 40 Altus Pharmaceuticals 40 cellulosic feedstock 40 BlueFire 40 Q Microbe 40 Ibis Biosciences 40 Acorn Factor 40 Dynamic Fuels 40 ParAllele 40 GreenHunter Energy 40 ZFP technology 40 Unigene 40 sugarcane bagasse 40 Alnylam 40 Regeneron Pharma 40 biorefinery 40 Syntroleum Corporation 40 Biofene 40 Zalicus 40 algae bioreactors 40 TFChem 40 Dynamotive Energy Systems 40 LiveFuels 40 SynthRx 40 CleanTech Biofuels 40 Sontra 40 SwissINSO 40 Senesco Technologies 40 Coskata 40 ImmuCell Corporation 40 GreenFuel Technologies 39 APNT 39 LFB Biotechnologies 39 Vical 39 Phusion Laboratories 39 Archemix 39 biofuel 39 Fiberight 39 TorreyPines Therapeutics 39 Biolex 39 Burcon 39 Panda Ethanol 39 Amyris Biotechnologies 39 Kosan 39 Joule Biotechnologies 39 Celldex 39 Metabasis 39 DDCE 39 NExBTL renewable diesel 39 Phenomix 39 Interpharm 39 Galenea 39 KOSN 39 Nektar 39 Exelixis 39 CombinatoRx 39 Nerites 39 lignocellulosic 39 biodiesel 39 MaxCyte 39 Oncolin 39 Enerkem 39 Pashminadepot.com 39 Sangamo BioSciences 39 Daphne Preuss 39 Solae 39 biomass feedstock 39 BFRE 39 Cyanotech 39 Idenix 39 BlueFire Ethanol Fuels 39 OPXBIO 39 Algenol Biofuels 39 Epigenomics 39 ethanol 39 Broin Companies 39 BioSeek 39 Symphogen 39 G2 BioChem 39 Micrus Endovascular 39 AVEO Pharmaceuticals Inc. 39 Ligand Pharmaceuticals 39 Agennix 39 Proteolix 39 SG Biofuels 39 Mascoma Corporation 39 biorefining 39 Genelabs 39 Amyris Crystalsev 39 Alnylam Pharmaceuticals 39 Neurogen 39 EnviroXtract Inc. 39 Verasun 39 EPIX Pharmaceuticals 39 ArborGen 39 Opsona Therapeutics 38 bio butanol 38 Segetis 38 Louis Dreyfus Highbridge 38 Nova Biosource 38 OriginOil 38 Rentech Process 38 Santaris Pharma 38 Chiral Quest 38 Genospectra 38 Sunesis Pharmaceuticals 38 Chlorogen 38 CRGE 38 Omega Protein 38 Rentech 38 Elixir Pharmaceuticals 38 CytoGenix 38 Targanta 38 Sirona Biochem 38 Sirtris Pharmaceuticals 38 Dune Energy 38 DIREVO 38 CVR Partners 38 Ardea Biosciences 38 microalgae 38 Transgenomic 38 Anacor 38 INEOS Bio 38 Southcross Energy 38 eMerge Interactive 38 Isotechnika Pharma 38 algae biofuels 38 Coley Pharmaceutical Group 38 GRYE 38 Sensient 38 Oncolin Therapeutics Inc. 38 Sigma Aldrich 38 EVTN 38 Innovalight 38 Sierra BioFuels Plant 38 MMgy 38 Protalix 38 Corcept 38 bio ethanol 38 Nasdaq HALO biopharmaceutical 38 biofuels 38 Helix BioMedix 38 Euroscreen 38 Breitburn Energy 38 Alimera 38 JDS Pharmaceuticals 38 Cheniere Energy Partners LP 38 CAMAC Energy 38 Neal Gutterson 38 Kreido Biofuels 38 Morphotek 38 Response Genetics 38 Succinic Acid 38 CancerVax 38 Biogen Idec NASDAQ BIIB 38 Biorefinery 38 ADVENTRX 38 Bioheart Inc. 38 Renewable Diesel 38 INBP 38 MultiCell 38 Danisco Genencor 38 Regulus Therapeutics 38 Range Fuels 38 Enzon 38 WellGen 38 IR BioSciences Holdings 38 cellulosic biofuel 38 sugar cane 38 GreenFuel 38 Cellana 38 Inovio Biomedical 38 Transgene 38 Ophthotech 38 IR Biosciences 38 GS CleanTech 38 scale biorefineries 38 Nasdaq RXII 38 China Nuvo Solar 38 Tolerx 37 Amelot Holdings 37 ProtoKinetix 37 Cougar Biotechnology Inc. 37 Dow AgroSciences 37 EarthFirst Technologies 37 NicOx 37 Plastinum 37 VistaGen 37 Isis Pharmaceuticals 37 Flamel Technologies 37 Specialty Enzymes 37 Palatin 37 Penreco 37 HepaLife 37 cellulosic bioethanol 37 Vaccinex 37 Xethanol Corporation 37 Millipore Corporation 37 Company OTCBB AFSE 37 Caliper Life Sciences 37 OXIS 37 Axial Vector Engine 37 Sunoco Logistics 37 Pleximer 37 Connetics 37 Symyx Technologies Inc. 37 Lux Biosciences 37 Alpha Innotech 37 Alnara Pharmaceuticals 37 pSivida 37 BioFocus 37 KCM Holdings 37 RXi 37 Epizyme 37 VeraSun Energy 37 ImmuneRegen BioSciences Inc. 37 Biodiesel Production 37 Algenol 37 Ligand 37 Danisco 37 Orion Ethanol 37 Rancher Energy 37 Verasun Energy Corp. 37 Purifine enzyme 37 Converted Organics 37 GreenShift 37 shareholder AOG 37 Amyris renewable 37 Flex Fuels 37 PBF Holding 37 i Immtech 37 Glanbia Nutritionals 37 USR Technology 37 Opexa 37 Innovation Fuels 37 CoGenesys 37 Valensa 37 Midas Medici 37 Cetek 37 Sangamo BioSciences Inc. 37 GFET 37 MMgy plant 37 Ambit Biosciences 37 Allylix 37 BioFuel Energy 37 Myrexis 37 Lpath 37 C#B# 37 Sucampo Pharmaceuticals 37 Nasdaq BIOF 37 LEC Lignol 37 Bio PDO TM 37 Nasdaq MBRX announced 37 Lexicon Genetics 37 Genome Therapeutics 37 Genelabs Technologies 37 Cellzome 37 Senesco 37 Transcept 37 GlycArt 37 sugar cane bagasse 37 ESBATech 37 Jatropha curcas 37 VaxImmune 37 Stemgent 37 Arcadia Biosciences Inc. 37 Inbicon Biomass Refinery 37 Cytogen 37 Oncologix 37 Cheniere LNG 37 Affymetrix 37 Carbon Sciences 37 Petrosearch Energy 37 Sustainable Oils 37 Helix Wind Corp. 37 algal biofuel 37 Interleukin Genetics 37 Tibotec Pharmaceuticals 37 SciClone Pharmaceuticals 37 Mersana 37 Enanta 37 Elevance 37 Syntonix 37 Phylogica 37 Pacific Ethanol 37 Biomagnetics 37 GreenGold Ray Energies 37 NatureWorks LLC 37 Furanics 37 butanol 37 algae bioreactor 37 cellulosic biomass 37 biocatalyst 37 Arisdyne 37 Acologix 36 Somaxon Pharmaceuticals 36 Cellulosic Ethanol 36 Exiqon 36 Sigma Aldrich SIAL 36 Vaso Active 36 ARIAD 36 ZIOPHARM 36 ZymoGenetics 36 Archemix Corp. 36 Cequent Pharmaceuticals 36 cellulosic biorefineries 36 Adnexus 36 Ambrx 36 Soperton Plant 36 GreatPoint 36 cellulosic materials 36 jatropha 36 Immune Response Corporation 36 Frutarom 36 succinic acid 36 Genitope Corporation 36 Xencor 36 Xoma 36 BioSante 36 optimized biocatalysts 36 CRAILAR 36 MannKind 36 Valentis 36 Flamel 36 Anthera 36 Repligen 36 ASAlliances Biofuels 36 edible feedstocks 36 Lexicon Pharmaceuticals 36 Amelot 36 iCeutica 36 Inc. PINKSHEETS PSUD 36 QuestAir 36 Raven Biofuels 36 Bio PDO 36 ARYx 36 MSGI 36 Andersons Clymers Ethanol 36 Curis 36 Pfenex 36 Enzo Therapeutics 36 BPZ Resources 36 Crimson Exploration 36 Perlegen 36 AMEX ONI 36 Serologicals 36 IntePharm 36 Nanobac Pharmaceuticals Inc. 36 VBV LLC 36 Abengoa 36 Vicuron 36 D1 Oils Plc 36 Gevo 36 Hainan Helpson Medical 36 Kensington Leasing 36 Eurand 36 Fulcrum BioEnergy 36 Halozyme Therapeutics 36 Ante5 36 AOGN 36 PureCircle 36 algae biofuel 36 Nutiva ® 36 Hybridon 36 MegaMex Foods 36 Advanced Magnetics 36 CX2 Technologies Inc. 36 Cavit Sciences Inc. 36 NanoViricides 36 bioproducts 36 QIAGEN 36 RVBF 36 Isis Pharmaceuticals Inc. 36 Relypsa 36 thermochemical conversion 36 Balchem 36 Inbicon 36 Xylitol Canada 36 Alethia Biotherapeutics 36 BioWa 36 Stressgen 36 low linolenic soybeans 36 Stratagene 36 NYSE DNR Denbury 36 TPH Partners 36 ethanols 36 Ethanex 36 DRAXIS 36 Somaxon 36 Adherex 36 Pharmion 36 Dicer Substrate Technology 36 Ineos Bio 36 MixAlco 36 Calixa 36 Cellectar 36 Exact Sciences 36 INEOS Phenol 36 Cutanea Life Sciences 36 Invitrogen 36 EcoPlus Inc. 36 ASAlliances Biofuels LLC 36 DNage 36 Celera 36 Nasdaq MATK 36 Calgren 36 Metabasis Therapeutics Inc. 36 NuStar GP Holdings 36 Idera Pharmaceuticals 36 Vistive soybeans 36 Gen Probe 36 Aeolus Pharmaceuticals 36 bioethanol 36 PharmaNova 36 Valera Pharmaceuticals 36 Jatropha 36 TSX VENTURE IB IBC 36 MOPN 36 BioCheck 36 Astralis Ltd. 36 MorphoSys 36 VeraSun 36 Applied Biosystems 36 Greenline Industries 36 ethane cracker 36 biocrude 36 NBVG 36 TargeGen 36 Halozyme 36 Liquid Container 36 Alfacell 36 Intrexon 36 Bioamber 36 Poniard Pharmaceuticals 36 Lurgi 36 Inovio Pharmaceuticals Inc. 36 Greensteam 36 PhaseBio 36 plc NASDAQ AMRN 36 MDRNA 36 Dynamic Fuels LLC 36 Joint BioEnergy Institute 36 DDJET 36 Joule Unlimited 35 Matritech 35 Stoppert 35 Bunge Limited 35 ThromboGenics 35 NYSE Arca RZ 35 Ardea Biosciences Inc. 35 Valero Renewable Fuels 35 Alnylam Pharma 35 Nasdaq USBE 35 PeriCor 35 scale biorefinery 35 OXiGENE 35 Bionol 35 FEECO International 35 Novozymes Biopharma 35 SemEquip 35 SSRX 35 NGP ETP 35 Itero 35 NASDAQ BEXP 35 American Centrifuge Plant 35 Firmenich 35 Anaphore 35 RPBC 35 cellulase enzymes 35 Altana Chemie 35 Quinnova 35 Ascenta Therapeutics 35 Martek Biosciences Corporation 35 BioExx 35 Geron 35 Bayer CropScience AG 35 Benefuel 35 DURECT 35 Brainstorm Cell Therapeutics 35 Nova Biosource Fuels 35 Cellulosic 35 SpeechSwitch Inc. 35 Fovea Pharmaceuticals 35 NeoRx 35 Oceana Therapeutics 35 Cereplast 35 Corixa 35 Sernova 35 SurModics 35 ACLARA 35 Vertigro 35 Diffusion Pharmaceuticals 35 Wendy Arby Restaurants 35 AltaRex 35 Synthetech 35 QuatRx 35 Kaneb Services 35 feedstocks 35 Xcyte 35 Millipore 35 Aegerion 35 Geotec Thermal Generators 35 Future Fuels 35 AMEX INO 35 Celladon Corporation 35 SCOLR 35 Amarantus 35 Greenlight Biofuels Ltd. 35 KiOR 35 DSM Dyneema 35 Regeneron 35 Sunesis Pharmaceuticals Inc. 35 Synbiotics 35 Biodiesel Plant 35 Petroplus 35 Helicos BioSciences 35 MacroChem 35 Sangamo 35 Microbix 35 Affymax 35 Mpex 35 RenaMed 35 Andatee 35 bioenergy 35 Aegera Therapeutics 35 biofuels bioenergy 35 LNG regasification 35 Teuto 35 UnionTown 35 RXi Pharmaceuticals 35 VISTIVE 35 Spectrum Pharmaceuticals 35 Bioprocessing 35 Vega Biofuels 35 Bulk Ingredients 35 Monsanto 35 Vivalis 35 Furiex Pharmaceuticals 35 Lucigen 35 SulphCo R 35 Neuroptix 35 EUCODIS Bioscience 35 Targeted Genetics 35 NeurogesX 35 Emmetsburg Iowa 35 Corautus 35 UltraCell 35 ProFibrix 35 VeraSun Energy Corporation 35 Fanandakis 35 Xenogen 35 AMEX XNL 35 Celladon 35 isobutanol 35 GrowMax Agri Corp. 35 Mirna Therapeutics 35 photobioreactor 35 Assay Designs 35 biobased succinic acid 35 Haemacure 35 Oragenics 35 Neurocrine Biosciences 35 Tanox 35 BioFocus DPI 35 ChemoCentryx 35 Nastech 35 Endicott Biofuels 35 Senetek 35 Encysive Pharmaceuticals 35 Sulonex TM 35 ASAlliances 35 cellulose 35 NASDAQ INGN 35 Array BioPharma 35 Taligen 35 Abraxis 35 CEO Arnold Klann 35 Immunicon 35 vernakalant oral 35 Critical Therapeutics 35 Riggs Eckelberry 35 Arqule 35 Kokopelli Franchise Company 35 sugarcane 35 Dumesic 35 Nasdaq CYAN 35 Scancell 35 integrated biorefinery 35 Dionex 35 Vion Pharmaceuticals 35 NeuroMedix 35 CardioGenics Holdings Inc. 35 Savient 35 Axxora 35 Skinny Nutritional 35 ORYXE Energy 35 Introgen Therapeutics Inc. 35 biodiesel feedstock 35 CeNeS 35 Southridge Ethanol 35 Eastern Asteria Inc. 35 Trubion Pharmaceuticals Inc. 35 ReFuel America 35 Momenta Pharmaceuticals 35 algal 35 Capsugel 35 XTLbio 35 Embryome Sciences 35 Rigel Pharmaceuticals Inc. 35 Reata Pharmaceuticals 35 Medarex 35 On4 Communications Inc. 35 SunOpta 35 Merrimack Pharmaceuticals 35 InNexus 35 HydroGenetics Inc. 35 sweet sorghum 35 Neurocrine 35 Novacea 35 lignocellulosic biomass 34 Crailar 34 Bio Diesel 34 SAFC Pharma 34 Helix BioMedix Inc. 34 HELSINN 34 Alseres 34 HistoRx 34 Cardica 34 RIVAL Technologies 34 petroleum coke gasification 34 Corporation Nasdaq VRNM 34 Symbol GRYE 34 Momenta 34 ethanol biorefinery 34 bagasse 34 AquaCell Technologies 34 Pacira 34 RXi Pharmaceuticals Corporation 34 Receptos 34 Sun Catalytix 34 EcoPaper Inc. 34 Intellikine 34 IntraBiotics Pharmaceuticals Inc. 34 Chemokine Therapeutics 34 OTCBB JYHW JayHawk 34 ImmunoGen Inc. 34 Veridium 34 Eric Apfelbach 34 Inpharmatica 34 Sequenom 34 SynGest 34 Applied Imaging 34 Insulet 34 Renaissance BioEnergy 34 RIT Oncology 34 NOVAVAX 34 eHydrogen Solutions 34 Galderma SA 34 Iogen Corporation 34 RECOTHROM ® 34 Biogen Nasdaq BIIB 34 Trubion 34 Mirel TM 34 Denomega 34 Petrosearch 34 Enzon Pharmaceuticals Inc 34 NuSun 34 Concho Resources 34 DKRW Energy 34 MGI PHARMA 34 LINN Energy 34 VIA Pharmaceuticals 34 Ceregene 34 EnzymeRx 34 Noven 34 INEOS Enterprises 34 ImmunoGen 34 MAP Pharmaceuticals 34 NutraCea 34 Global NuTech 34 biotechnology 34 Neurologix 34 ZeroPoint 34 Mannkind 34 KALBITOR 34 Bioject 34 Osteologix 34 Bering Exploration 34 Envirokare Tech Inc. 34 Catalyx Nanotech 34 RegeneRx 34 PsychoGenics 34 NASDAQ LGND 34 Pharmion Corporation 34 LP Nasdaq LGCY 34 Novavax 34 CLTH 34 feedstock 34 Axonyx 34 Barrier Therapeutics 34 Honeywell UOP 34 ConjuGon 34 BDSI 34 BioMarin Pharmaceutical 34 ClearFuels Technology 34 switchgrass miscanthus 34 MGPI 34 Infinity Pharmaceuticals 34 Imagenetix 34 BioFuels 34 Progenics Pharmaceuticals 34 John Deere Renewables 34 TopoTarget 34 CleanTech Biofuels Inc. 34 Corporation PINKSHEETS GFET 34 Genera Energy 34 Inovio 34 Ciphergen 34 BrazAlta Resources Corp. 34 MultiCell Technologies 34 Sigma Aldrich Nasdaq SIAL 34 NExBTL 34 Intertainment Itibiti Systems 34 BioSpecifics 34 Hawkeye Renewables 34 Replagal TM 34 AMAG Pharmaceuticals Inc. 34 Janssen Alzheimer Immunotherapy 34 Biomass gasification 34 Intrinergy 34 FMC Technologies 34 Inergy Holdings 34 BioCentric Energy Holdings 34 LycoRed 34 RW Colby Tradingeducation.com 34 ligno cellulosic 34 OPX Biotechnologies 34 Denmark Novo Nordisk 34 Nasdaq VRTX 34 CoreStream 34 Kos Pharmaceuticals 34 Cytori Therapeutics Inc. 34 XNL 34 Jerini 34 VioQuest Pharmaceuticals 34 Auric Mining 34 NYSE BPZ 34 Lovaza TM 34 Adolor 34 Anika Therapeutics 34 Sirtris 34 nonfood crops 34 GS EnviroServices 34 Harvard Bioscience 34 Virent Energy 34 Pronova BioPharma 34 Plains Renewable Energy 34 Purac 34 Azur Pharma 34 Aphton 34 Nustar GP Holdings 34 Corgenix 34 Nycomed GmbH 34 Banner Pharmacaps Inc. 34 Petrodorado Energy 34 Biosite 34 NASDAQ NGBF 34 MMGY 34 SuperGen 34 Chromos 34 Alnara Pharmaceuticals Inc. 34 NGBF 34 Omrix 34 MiddleBrook 34 algae biomass 34 Biobutanol 34 Athersys 34 Avidia 34 MacroGenics 34 Ivax 34 TESARO 34 IOWorld Media 34 bioprocessing 34 Accelergy 34 Microgy 34 Foamix 34 TXCO Resources Inc. 34 Alkane Inc. 34 GenVec 34 Affitech 34 Eurogentec 34 ALTU 34 HepDirect 34 n butanol 34 Mascoma 34 Navajo Wind 34 Partners AEGY 34 ARIUS 34 Semafore 34 TexCom 34 NYSE VNR 34 Endovasc 34 OrthoLogic 34 VISTIVE soybeans 34 Enzon Pharmaceuticals 34 NASDAQ BIOF 34 Escape Hybrid E# 34 CardioVascular BioTherapeutics Inc. 34 GLBRC 34 Ascentage Pharma 34 Sonoran Energy 34 CPEX 34 NOVA Chemicals 34 ESP Pharma 34 Encysive 34 Inotek 34 Otoka Energy 34 OncoMethylome 34 Impax Pharmaceuticals 34 Dais Analytic Corporation 34 Sciele Pharma 34 Exterra Energy 34 Countrymark 34 EBOF 34 Chemaphor 34 OMJPI 34 Dicerna 34 CLARISOY R 34 Alnara 34 BioSyent Pharma 34 EnerG2 34 Pinova 34 CapSource 34 Upsher Smith 34 Hawaiian Spirulina Pacifica 33 Adventrx 33 Eyetech Pharmaceuticals Inc. 33 Addrenex 33 Illumigen 33 subsidiary Microgy Inc. 33 Cyclacel Pharmaceuticals 33 Novelos 33 algal biofuels 33 Cell Genesys 33 3SBio 33 PharmaFrontiers 33 Eurand NV EURX 33 Titan Pharmaceuticals 33 Lonza 33 Botaneco 33 Oxford BioMedica 33 Inergy 33 Inc. OTCBB APNT 33 Silence Therapeutics 33 Cougar Biotechnology 33 Cerberus ABP Investor 33 Nuvilex Inc. 33 SGD Holdings 33 Cyvex 33 Heptares 33 Vi COR 33 Biofuels 33 PDL BioPharma 33 MMgy ethanol plant 33 Hyaluron 33 deCODE 33 Sular formulation 33 BioAlliance 33 BioAlliance Pharma 33 Allegro Biodiesel 33 biofuel feedstocks 33 Envirotek 33 Metabolex 33 Ziopharm 33 Znomics 33 Immtech Pharmaceuticals Inc. 33 EMD Merck 33 USMN 33 ABI OTCBB AMAR