(S)-Methylenedioxyethylamphetamine

3-[N-tert-butyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(methoxymethyl)propanamido]propanoic acid

2-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]-2-(methoxymethyl)butanoic acid

2-{[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopropyl]formamido}-2-(methoxymethyl)butanoic acid

(2S)-4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(methoxymethyl)propanamido]-2-hydroxybutanoic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-[4-(hydroxymethyl)azepan-1-yl]-5-oxopentanoic acid

(2S,4R)-1-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetyl}-4-hydroxypyrrolidine-2-carboxylic acid

rac-2-cyclopropyl-2-{[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopentyl]formamido}propanoic acid

(2R)-1-{1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutanecarbonyl}piperidine-2-carboxylic acid

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

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pent-4-enamido]-4,4-dimethylpentanoic acid