2,3-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-triene-7,8-dione

2-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-enamido]methyl}cyclohexane-1-carboxylic acid

4-{2-ethyl-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]butanoyl}thiomorpholine-3-carboxylic acid

2-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3,3-trifluoro-2-methylpropanoyl]azetidin-3-yl}propanoic acid

1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-1,2,4-triazole-3-carbonyl]azepane-2-carboxylic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{[1-(1H-pyrazol-1-yl)propan-2-yl]carbamoyl}butanoic acid

(2R)-2-{[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}propanoic acid

5-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methylpentanamido]-3-methyl-1,2-thiazole-4-carboxylic acid

3-({2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazol-4-yl]acetamido}methyl)pentanoic acid

4-({2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethoxy]acetamido}methyl)oxane-4-carboxylic acid

1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]cycloheptane-1-carboxylic acid