(4R)-4-phenyl-1,3-oxazolidin-2-one

(4R)-4-sulfanylpentanoic acid

(4R)-4-tert-butyl-2-[2-(diphenylphosphanyl)phenyl]-4,5-dihydro-1,3-oxazole

(4R)-4-[(1R,3aS,3bR,4R,5aS,7R,9aS,9bS,11aR)-4,7-dihydroxy-9a,11a-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoic acid

(4R)-4-[(1R,3aS,3bR,4R,5aS,7R,9aS,9bS,11S,11aR)-4,7,11-trihydroxy-9a,11a-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoic acid

(4R)-4-[(1R,3aS,3bR,4S,5aS,7R,9aS,9bS,11aR)-4,7-dihydroxy-9a,11a-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoic acid

(4R)-4-[(1R,3aS,3bR,5aR,7R,9aS,9bS,11aR)-7-hydroxy-9a,11a-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoic acid

(4R)-4-[(1R,3aS,3bR,5aR,7R,9aS,9bS,11S,11aR)-7,11-dihydroxy-9a,11a-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoic acid

(4R)-4-[(1R,3aS,3bR,5aS,7R,9aS,9bS,11aR)-7-hydroxy-9a,11a-dimethyl-4-oxo-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoic acid

(4R)-4-[(1R,3aS,3bS,4R,5R,5aS,7R,9aS,9bS,11aR)-5-ethyl-4,7-dihydroxy-9a,11a-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoic acid

(4R)-4-[(1R,3aS,3bS,7S,9aR,9bS,11aR)-7-hydroxy-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-yl]pentanoic acid

(4R)-4-[(2S)-2-{[(4R)-2-[(1S,2S)-1-amino-2-methylbutyl]-4,5-dihydro-1,3-thiazol-4-yl]formamido}-4-methylpentanamido]-4-{[(1S,2S)-1-{[(3S,6R,9S,12R,15S,18R,21S)-18-(3-aminopropyl)-12-benzyl-15-[(2S)-butan-2-yl]-3-(carbamoylmethyl)-6-(carboxymethyl)-9-[(1H-imidazol-4-yl)methyl]-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclopentacosan-21-yl]carbamoyl}-2-methylbutyl]carbamoyl}butanoic acid

(4R)-4-[(3aS,3bR,5aS,9aS,9bS,11aR)-9a,11a-dimethyl-4,7,11-trioxo-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoic acid

(4R)-4-[(methylamino)methyl]-1,3-oxazolidin-2-one hydrochloride

(4r)-4-[3-(trifluoromethyl)phenyl]bicyclo[2.1.1]hexane-2-carboxylic acid

(4r)-4-[4-(trifluoromethyl)phenyl]bicyclo[2.1.1]hexane-2-carboxylic acid

(4R)-4-{[(tert-butoxy)carbonyl]amino}-2-methylidenepentanoic acid

(4R)-4-{[(tert-butoxy)carbonyl]amino}-3,4-dihydro-1H-2-benzopyran-7-carboxylic acid

(4R)-4-{[(tert-butoxy)carbonyl]amino}-3-hydroxypentanoic acid

(4R)-4-{[(tert-butoxy)carbonyl]amino}-5,5-difluoropentanoic acid

(4R)-4-{[(tert-butoxy)carbonyl]amino}-5,5-dimethylhexanoic acid

(4R)-4-{[(tert-butoxy)carbonyl]amino}-5-methoxy-2,2-dimethylpentanoic acid

(4R)-4-{[(tert-butoxy)carbonyl]amino}-5-methoxy-5-oxopentanoic acid

(4R)-4-{[(tert-butoxy)carbonyl]amino}-5-methyl-2-methylidenehexanoic acid

(4R)-4-{[(tert-butoxy)carbonyl]amino}-5-methylhexanoic acid

(4R)-4-{[(tert-butoxy)carbonyl]amino}-5-phenylpentanoic acid

(4R)-4-{[(tert-butoxy)carbonyl]amino}-6-methylheptanoic acid

(4R)-4-{[(tert-butoxy)carbonyl]amino}hexanoic acid

(4R)-4-{[(tert-butoxy)carbonyl]amino}pentanoic acid

(4R)-5,5-dimethyl-2-oxo-1,3-oxazolidine-4-carboxylic acid

(4R)-5,7-difluoro-3,4-dihydro-2H-1-benzopyran-4-ol

(4R)-5,8-difluoro-3,4-dihydro-2H-1-benzopyran-4-amine hydrochloride

(4R)-5,8-difluoro-3,4-dihydro-2H-1-benzopyran-4-ol

(4R)-5,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4-amine hydrochloride

(4R)-5,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4-ol

(4R)-5-(benzyloxy)-4-hydroxy-2,2-dimethylpentanenitrile

(4R)-5-(tert-butoxy)-4-(dimethylamino)-5-oxopentanoic acid

(4R)-5-(tert-butoxy)-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-oxopentanoic acid

(4R)-5-(tert-butoxy)-4-{[(tert-butoxy)carbonyl]amino}-4-methyl-5-oxopentanoic acid

(4R)-5-(tert-butoxy)-4-{[(tert-butoxy)carbonyl]amino}-5-oxopentanoic acid

(4r)-5-oxospiro[3.3]heptane-2-carboxylic acid

(4R)-6,8-difluoro-3,4-dihydro-2H-1-benzopyran-4-amine hydrochloride

(4R)-6,8-difluoro-3,4-dihydro-2H-1-benzopyran-4-ol

(4R)-6,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4-amine hydrochloride

(4R)-6,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4-ol