{1-[(3-Ethynylphenyl)methyl]cyclopropyl}methanamine

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-[(4-methoxy-4-oxobutan-2-yl)carbamoyl]butanoic acid

2-[2-(ethyl carboxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]-3-methoxy-2-methylpropanoic acid

2-{4-[(2S)-3-(benzyl carboxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-1H-pyrazol-1-yl}acetic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-[4-(methoxycarbonyl)piperidin-1-yl]-4-oxobutanoic acid

2-[(2S)-3-(benzyl carboxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-2-(methoxymethyl)butanoic acid

2-{1-[(2S)-3-(benzyl carboxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]cyclopropyl}acetic acid

3-[(2S)-3-(benzyl carboxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-3-cyclobutylpropanoic acid

2-[(2S)-1-[(2S)-4-(benzyloxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-oxobutanoyl]piperidin-2-yl]acetic acid

(2R)-2-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]-4-methoxy-4-oxobutanoic acid

3-[(2S)-3-(benzyl carboxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-propylpropanamido]propanoic acid