R 2 CHLORO 1 PHENYLETHANOL Rizatriptan Benzoate Rifalazil R 3 3 Methylbutanoyl 4 Benzyloxazolidin 2 One R 4 1 aminoethyl benzenesulfonamide hydrochloride R linalyl acetate R R Palonosetron Hydrochloride R 1 Cbz 2 Cyano Pyrrolidine R 2 Tert Butoxycarbonylamino 3 Phenylpropanal R 3 methyl 1 4 4 5 5 tetramethyl 1 3 2 dioxaborolan 2 yl butan 1 amine hydrochloride R 1 4 methoxyphenyl N R 1 phenylethyl propan 2 amine hydrochloride R 7 7 BIS DI 4 METHYLPHENYL PHOSPHINO 2 2 3 3 TETRAHYDRO 1 1 SPIROBIINDANE R tetrahydrofuran 3 amine R 3 3 DIBROMO 2 2 DIMETHOXY 1 1 BINAPHTHYL R Methyl 2 amino 2 cyclohexylacetate hydrochloride R 1 tert butoxycarbonyl 4 oxopiperidine 2 carboxylic acid R 1 benzyl 5 methyl 1 4 diazepane Reactive blue 72 R 1 2S 3R 3 hydroxy 2 6 phenylpicolinamido butanamido 3 methylbutan 2 yl boronic acid R anthracen 9 yl 3 morpholine 4 carbonyl 1 4 bipiperidin 1 yl methanone R 1 2 2 5 dichlorobenzamido acetamido 3 methylbutyl boronic acid Reactive Yellow 81 R 1 1 NAPHTHYL ETHYL ISOCYANATE R 2 Amino 1 1 2 triphenylethanol R β2homovaline RG 108 N Phthalyl L tryptophan Rizatriptan Benzoate Rifalazil R linalyl acetate R 3 methyl 1 4 4 5 5 tetramethyl 1 3 2 dioxaborolan 2 yl butan 1 amine hydrochloride

R 1 4 methoxyphenyl N R 1 phenylethyl propan 2 amine hydrochloride R tetrahydrofuran 3 amine R 1 benzyl 5 methyl 1 4 diazepane R 1 tert butoxycarbonyl 4 oxopiperidine 2 carboxylic acid R 1 2S 3R 3 hydroxy 2 6 phenylpicolinamido butanamido 3 methylbutan 2 yl boronic acid R anthracen 9 yl 3 morpholine 4 carbonyl 1 4 bipiperidin 1 yl methanone R 1 2 2 5 dichlorobenzamido acetamido 3 methylbutyl boronic acid R tert butyl 2 4 4 5 5 tetramethyl 1 3 2 dioxaborolan 2 yl pyrrolidine 1 carboxylate R 1 amino 2 4 methoxyphenyl ethyl boronic acid R 1 amino 3 methylbutyl boronic acid R 1 amino 2 phenylethyl boronic acid R 1 aminopropyl boronic acid R 1 aminoethyl boronic acid R 3 methyl 1 4 4 5 5 tetramethyl 1 3 2 dioxaborolan 2 yl butan 1 amine R 3 4 benzyloxy 3 fluorophenyl 5 hydroxymethyl oxazolidin 2 one Ravidasvir hydrochloride R 2 1 2 amino 5 5 cyano 1 methyl 3 methylamino methyl 1H pyrazol 4 yl pyridin 3 yl oxy ethyl 4 fluorobenzoicacid R 3 tert butyldimethylsilyloxy tridecan 1 ol R tert butyl 1 iodotridecan 3 yloxy dimethylsilane R methyl 3 hydroxytridecanoate R 2 amino 3 4 fluorophenyl propanoic acid R 2 2 2 trifluoro N 3 hydroxy 3 3 hydroxyphenyl propyl acetamide R 4 oxo 4 6 7 8 tetrahydropyrrolo 1 2 a pyrimidine 6 carboxylic acid Relebactam Rivipansel Sodium Raxatrigine hydrochloride Ronopterin R 5 2 fluoro 5 nitrophenyl 3 imino 2 5 dimethyl 1 2 4 thiadiazinane 1 1 dioxide R 4 amino 5 3 methoxypropyl pentyl amino 5 oxopentaneperoxoic acid R benzyl 4 benzyloxycarbonylamino 5 3 methoxypropyl pentyl amino 5 oxopentanoate

R 2 amino 1 R 2 methylpyrrolidin 1 yl 3 thiazol 4 yl propan 1 one R 2 methylpiperidine R 2 tert butoxycarbonylamino 3 thiazol 4 yl propanoic acid Rapastinel R 5 benzyloxy 2 benzyloxycarbonylamino 5 oxopentanoic acid Remimazolam Besylate RP 5264 R 1 chloro 3 piperidin 1 yl propan 2 ol R 2 amino 3 4 nitrophenyl propanoic acid R tert butyl 2 4 4 5 5 tetramethyl 1 3 2 dioxaborolan 2 yl pyrrolidine 1 carboxylate R 2 2 dimethyl 1 3 dioxolan 4 yl methanol R 1 amino 2 phenylethyl boronic acid R 1 amino 2 4 methoxyphenyl ethyl boronic acid R 1 amino 3 methylbutyl boronic acid R 1 aminopropyl boronic acid R 1 aminoethyl boronic acid R 3 methyl 1 4 4 5 5 tetramethyl 1 3 2 dioxaborolan 2 yl butan 1 amine Ranirestat Rapamycin Ridaforolimus R Epichlorohydrin rutin Ralfinamide R 2 7 8 trimethyl 2 3E 7E 4 8 12 trimethyltrideca 3 7 11 trienyl chroman 6 ol Roxatidine R 3 isopropylmorpholine hydrochloride R 3 Ethylmorpholine hydrochloride R 2 Methylmorpholine hydrochloride R Ethyl 2 hydroxypropanoate R tetrahydrofuran 3 amine hydrochloride

R 3 Amino 2 oxetanone p toluenesulfonic acid salt R 3 Hydroxypiperidine hydrochloride R 7 Tert Butoxycarbonylamino 5 azaspiro 2 4 heptane R 2 methylpyrrolidine hydrochloride Ramatroban R 2 Chloro 1 propanol R Benzyl 5 oxo tetrahydro furan 3 ylcarbamate R 3 Hydroxytetrahydrofuran Reparixin R 2 4 isobutylphenyl propanoic acid R 1 Phenylethylamine R 2 Methyl 2 propanesulfinamide R 3 Amino 3 phenylpropionic acid hydrochloride R Benzyl glycidyl ether R 3 Chloro 1 phenylpropanol R 1 4 Dioxaspiro 4 5 decane 2 carboxaldehyde Recoflavone R 3 Amino Piperidine dihydrochloride R 3 4 benzyloxy 3 fluorophenyl 5 hydroxymethyl oxazolidin 2 one R 2 1 2 amino 5 5 cyano 1 methyl 3 methylamino methyl 1H pyrazol 4 yl pyridin 3 yl oxy ethyl 4 fluorobenzoicacid Ravidasvir hydrochloride R methyl 3 hydroxytridecanoate R 3 tert butyldimethylsilyloxy tridecan 1 ol R tert butyl 1 iodotridecan 3 yloxy dimethylsilane R 2 amino 3 4 fluorophenyl propanoic acid R 2 2 2 trifluoro N 3 hydroxy 3 3 hydroxyphenyl propyl acetamide R 4 oxo 4 6 7 8 tetrahydropyrrolo 1 2 a pyrimidine 6 carboxylic acid Relebactam Rivipansel Sodium Raxatrigine hydrochloride