2-{3-bromo-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine-7-carbonyl}-5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidine

1-(But-3-en-1-yl)-4-(2-ethylphenyl)-1,2,3,4-tetrahydropyrazine-2,3-dione

(3R)-3-(2-chloro-1,3-thiazol-5-yl)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

(3S)-3-{[(benzyloxy)carbonyl]amino}-3-(1,5-dimethyl-1H-pyrazol-3-yl)propanoic acid

4-[3-cyclopentyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-2-methylbut-2-enoic acid

(2S)-2-[3-cyclopentyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]butanoic acid

(2R)-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methylcyclohexyl]formamido}-3-hydroxypropanoic acid

rac-(1R,2S)-2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]cyclopentane-1-carboxylic acid

4-[(2R,3S)-3-(benzyloxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-3-methyloxolane-3-carboxylic acid

rac-1-[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentanecarbonyl]-2-methylpiperidine-3-carboxylic acid

6-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]-6-azaspiro[3.4]octane-8-carboxylic acid