(2R)-1-methyl-5-oxopyrrolidine-2-carboxylic acid

(2R)-1-methylazetidine-2-carboxylic acid

(2R)-1-methylpiperidine-2-carboxylic acid

(2R)-1-methylpyrrolidine-2-carboxamide hydrochloride

(2R)-1-methylpyrrolidine-2-carboxylic acid

(2R)-1-nitrosopyrrolidine-2-carboxylic acid

(2R)-1-phenoxypropan-2-amine hydrochloride

(2R)-1-phenylbutan-2-amine

(2R)-1-phenylbutan-2-ol

(2R)-1-phenylpropan-2-ol

(2R)-1-propylazetidine-2-carboxylic acid

(2R)-1-sulfanylpropan-2-ol

(2R)-1-[(2-methyl-2H-1,2,3,4-tetrazol-5-yl)methyl]pyrrolidine-2-carboxylic acid hydrochloride

(2R)-1-[(benzyloxy)carbonyl]-2,3-dihydro-1H-indole-2-carboxylic acid

(2R)-1-[(benzyloxy)carbonyl]pyrrolidine-2-carboxylic acid

(2R)-1-[(cyclopropylmethyl)amino]propan-2-ol hydrochloride

(2R)-1-[(difluoromethyl)sulfanyl]propan-2-amine hydrochloride

(2R)-1-[(tert-butoxy)carbonyl]-1,2,3,4-tetrahydroquinoline-2-carboxylic acid

(2R)-1-[(tert-butoxy)carbonyl]-2-(hydroxymethyl)pyrrolidine-2-carboxylic acid

(2R)-1-[(tert-butoxy)carbonyl]-2-ethenylpyrrolidine-2-carboxylic acid

(2R)-1-[(tert-butoxy)carbonyl]-2-ethynylpyrrolidine-2-carboxylic acid

(2R)-1-[(tert-butoxy)carbonyl]-2-methyl-2,3-dihydro-1H-indole-5-carboxylic acid

(2R)-1-[(tert-butoxy)carbonyl]-2-methylpyrrolidine-2-carboxylic acid

(2R)-1-[(tert-butoxy)carbonyl]-4,4-difluoropyrrolidine-2-carboxylic acid

(2R)-1-[(tert-butoxy)carbonyl]-4,4-dimethylpyrrolidine-2-carboxylic acid

(2R)-1-[(tert-butoxy)carbonyl]-4-oxopiperidine-2-carboxylic acid

(2R)-1-[(tert-butoxy)carbonyl]-4-oxopyrrolidine-2-carboxylic acid

(2R)-1-[(tert-butoxy)carbonyl]-4-{[(9H-fluoren-9-yl)methoxy]carbonyl}piperazine-2-carboxylic acid

(2R)-1-[(tert-butoxy)carbonyl]-5-ethynyl-2,3-dihydro-1H-indole-2-carboxylic acid

(2R)-1-[(tert-butoxy)carbonyl]azetidine-2-carboxylic acid

(2R)-1-[(tert-butoxy)carbonyl]piperazine-2-carboxylic acid

(2R)-1-[(tert-butoxy)carbonyl]piperidine-2-carboxylic acid

(2R)-1-[(tert-butoxy)carbonyl]pyrrolidine-2-carboxylic acid

(2R)-1-[(tert-butyldimethylsilyl)oxy]propan-2-ol

(2R)-1-[3-(trifluoromethyl)phenyl]propan-2-amine

(2R)-1-[3-(trifluoromethyl)phenyl]propan-2-amine hydrochloride

(2R)-1-{1-[(tert-butoxy)carbonyl]azetidin-3-yl}pyrrolidine-2-carboxylic acid

(2R)-1-{cyclopropyl[(2R)-2-hydroxypropyl]amino}propan-2-ol

(2R)-1-{[(2R)-2-hydroxybutyl](methyl)amino}butan-2-ol

(2R)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-2,3-dihydro-1H-indole-2-carboxylic acid

(2R)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-2-methylpyrrolidine-2-carboxylic acid

(2R)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-4,4-difluoropyrrolidine-2-carboxylic acid

(2R)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-4,4-dimethylpyrrolidine-2-carboxylic acid

(2R)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}azetidine-2-carboxylic acid

(2R)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}piperidine-2-carboxylic acid