2-(4-Cyanothiophen-2-yl)ethanimidamide

2-{4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanoyl]thiomorpholin-3-yl}acetic acid

3-(1-thiophen-2-ylsulfonylpiperidin-4-yl)-4aH-pyrido[2,3-d]pyrimidine-2,4-dione

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanamido]-3-(thiophen-2-yl)propanoic acid

(2R)-2-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]formamido}-4-methylpentanoic acid

1-[7-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)heptanoyl]-4-methylpyrrolidine-3-carboxylic acid

2-[N-(butan-2-yl)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2,3-trimethylbutanamido]acetic acid

7-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazole-4-carbonyl]-7-azabicyclo[2.2.1]heptane-2-carboxylic acid

3-{N-ethyl-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]formamido}-2-methylpropanoic acid

3,5-dichloro-2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpropanamido]benzoic acid

4-bromo-2-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanamido]benzoic acid