3-(3-(Methoxymethyl)piperidin-1-yl)propan-1-amine

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

(2R,4R)-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]-4-hydroxypyrrolidine-2-carboxylic acid

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

(2S,3S)-2-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopent-2-en-1-yl]formamido}-3-methylpentanoic acid

rac-(1R,2S)-2-({[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopent-2-en-1-yl]formamido}methyl)cyclopentane-1-carboxylic acid

rac-(1R,3S)-3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazole-3-amido]cyclopentane-1-carboxylic acid

rac-(1R,2S)-2-({[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazol-3-yl]formamido}methyl)cyclopentane-1-carboxylic acid

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

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

(4R)-3-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopentanecarbonyl}-1,3-thiazolidine-4-carboxylic acid