3-Ethyl-5-(propan-2-yl)-1H-indole-2-carboxylic acid

(2RS,3SR)-3-[(2S)-3-(benzyl carboxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]oxolane-2-carboxylic acid

(2R)-2-{[(1RS,2SR)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropyl]formamido}-5-methoxy-5-oxopentanoic acid

1-[3-ethoxy-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-oxopropanoyl]-3-hydroxyazetidine-3-carboxylic acid

3-Tert-butyl-6-chloroquinoline-4-carboxylic acid

3,6-Dimethylquinoline-4-carboxylic acid

3-(Butan-2-yl)-6-methylquinoline-4-carboxylic acid

7-Fluoro-3-isopropylquinoline-4-carboxylic acid

3-Tert-butyl-7-fluoroquinoline-4-carboxylic acid

1-[(tert-butoxy)carbonyl]-4-(1-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}ethyl)pyrrolidine-3-carboxylic acid

1-methyl-4-(1-methyl-1H-pyrazol-4-yl)pyrrolidine-3-carboxylic acid