1-(2-Aminoethyl)-3-(trifluoromethyl)azetidin-3-ol

2-[2-(cyclopropylmethyl)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]cyclopentane-1-carboxylic acid

(2S)-4-{3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]pentanamido}-2-hydroxybutanoic acid

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3,3-trifluoropropanoyl]azetidine-3-carboxylic acid

2-ethyl-2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolan-2-yl]formamido}butanoic acid

Methyl 4-chloro-I+/--diazo-2-methoxybenzeneacetate

1-[3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methylpropanamido]cyclopentane-1-carboxylic acid

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

5-((4-(Tert-butoxycarbonyl)piperidin-1-yl)methyl)picolinic acid

2-{N-benzyl-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]butanamido}acetic acid

4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbut-2-enoyl]-2-methylmorpholine-3-carboxylic acid