Tert-butyl 4-(azepan-1-yl)azepane-1-carboxylate

2-{1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutaneamido]cyclobutyl}acetic acid

2-{1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]-N-[2-(methylsulfanyl)ethyl]formamido}acetic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)butanamido]-4,4,4-trifluorobutanoic acid

1-[N-methyl1-benzyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyrrolidine-3-amido]cyclobutane-1-carboxylic acid

1-[(2S)-3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]-3-methoxypyrrolidine-3-carboxylic acid

2-({1-[(2S)-3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]azetidin-3-yl}oxy)acetic acid

(1RS,6SR)-2-[(2S)-3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]-2-azabicyclo[4.1.0]heptane-1-carboxylic acid

4-[(2S)-3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]thiomorpholine-2-carboxylic acid

7-chloro-4-methyl-1H-indazole-3-sulfonyl chloride

5-nitro-1H-indazole-3-sulfonyl fluoride