(Z)-Dec-5-ene-4,7-dione

1-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethoxy]acetyl}-3,4-dimethylpyrrolidine-3-carboxylic acid

2-(2-Methyl-1,3-thiazol-4-yl)prop-2-en-1-amine

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-{3-[(1S)-1-hydroxyethyl]azetidin-1-yl}-5-oxopentanoic acid

2-[(2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethyl]sulfanyl}acetamido)methyl]cyclopropane-1-carboxylic acid

2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}pent-4-ynoic acid

4-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-N-methylbutanamido}benzoic acid

3-{[3-(1,3-dioxolan-2-yl)phenyl]carbamoyl}-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

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

1-[2-(1H-1,2,3,4-tetrazol-1-yl)ethyl]cyclobutane-1-carboxylic acid

(2S)-2-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-fluorophenyl]formamido}propanoic acid