O-[2-(2,4-difluoro-6-methoxyphenyl)propyl]hydroxylamine

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

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

5-(3-fluoro-2,6-dimethoxyphenyl)-1H-imidazol-2-amine

(2S)-2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpentanamido]-3-methoxypropanoic acid

(2S)-2-{[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}-3-methoxypropanoic acid

(2S)-2-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanamido]-3-methoxypropanoic acid

(2S)-2-{[(2RS,3RS)-3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolan-2-yl]formamido}-3-methoxypropanoic acid

(2S,3R)-2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbut-2-enamido]-3-methoxybutanoic acid

(2S,3R)-2-{[(1RS,2SR)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido}-3-methoxybutanoic acid

(2S,3R)-3-methoxy-2-{[(1rs,3rs)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]formamido}butanoic acid