2-Amino-1-(3,5-dimethoxyphenyl)ethan-1-one

2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-5-iodobenzoic acid

2-[3-ethoxy-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-2-methylpropanoic acid

(2S)-4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methoxypropanamido]-2-hydroxybutanoic acid

2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(methoxymethyl)butanamido]oxy}acetic acid

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

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

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

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

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

(2S)-3-cyclopropyl-2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]propanoic acid