1,3-Dimethyl-4-(4-nitrophenyl)-1H-pyrazol-5-amine

2-[8-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-propyloctanamido]acetic acid

(2R)-2-[8-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)octanamido]pentanoic acid

(2S)-2-[8-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)octanamido]-3-hydroxypropanoic acid

3-[3-cyclopropyl-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-2-methylbutanoic acid

2-(1-{3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,2-oxazol-4-yl}-N-(2-hydroxyethyl)formamido)acetic acid

3-[(3,4-dihydroxybutan-2-yl)carbamoyl]-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

Tert-butyl 9-(oxolan-3-ylmethyl)-5-oxa-2,8-diazaspiro[3.5]nonane-2-carboxylate

Tert-butyl 10-propyl-6-oxa-2,9-diazaspiro[4.5]decane-2-carboxylate

tert-butyl N-[3-amino-2-(1H-indol-6-yl)propyl]carbamate

Tert-butyl 2-[4-(dimethylcarbamoyl)phenyl]piperazine-1-carboxylate