O-(2,3-dimethylhexyl)hydroxylamine

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N,5-dimethylhexanamido]cyclobutane-1-carboxylic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-oxo-4-{9-thia-3-azabicyclo[4.2.1]nonan-3-yl}butanoic acid

4-[(2,2-dimethylhex-5-en-1-yl)carbamoyl]-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid

3-[(2,2-dimethylhex-5-en-1-yl)carbamoyl]-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

3-({5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolan-3-yl}formamido)-2-methylbutanoic acid

(2R)-2-({5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolan-3-yl}formamido)pentanoic acid

(2S)-1-{5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolane-3-carbonyl}-2-methylpyrrolidine-2-carboxylic acid

(4R)-3-[(3RS,5RS)-5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolane-3-carbonyl]-1,3-thiazolidine-4-carboxylic acid

rac-3-[(3R,5R)-5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolane-3-carbonyl]-1,3-thiazolidine-4-carboxylic acid

rac-4-{[(3R,5R)-5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolan-3-yl]formamido}hexanoic acid