4-(1-methyl-1H-indol-6-yl)butan-1-amine

2-(2-{3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutyl}-N-methylacetamido)-2-methylpropanoic acid

rac-6-{[(2R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolan-2-yl]formamido}-4-methylhexanoic acid

rac-7-{[(2R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolan-2-yl]formamido}heptanoic acid

rac-1-[(2R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolane-2-carbonyl]-1,2,3,6-tetrahydropyridine-4-carboxylic acid

3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]-1,3-thiazolidine-4-carboxylic acid

rac-1-[(2R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolane-2-carbonyl]-3-hydroxypyrrolidine-3-carboxylic acid

2-({2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2,3-trimethylbutanamido]ethyl}sulfanyl)acetic acid

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N,2,2-trimethylbutanamido]-2-methylpropanoic acid

5-(Chloromethyl)pyridine-3-sulfonamide

1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-fluorobenzoyl]-3-hydroxyazetidine-3-carboxylic acid