1-(4-(Azetidin-3-yl)piperazin-1-yl)-3-methoxypropan-1-one

3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(propan-2-yl)butanoyl]-3-azabicyclo[3.1.0]hexane-1-carboxylic acid

2-{1-[1-benzyl-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)piperidin-4-yl]-N-(prop-2-en-1-yl)formamido}acetic acid

2-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]-3-(1,3-thiazol-5-yl)propanoic acid

3-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]bicyclo[3.1.0]hexane-1-carboxylic acid

2-(2-{[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]methyl}-1,3-thiazol-4-yl)acetic acid

5-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]-5-azaspiro[2.4]heptane-7-carboxylic acid

3-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]-3-azabicyclo[4.1.0]heptane-7-carboxylic acid

2-{[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]methyl}cyclopropane-1-carboxylic acid

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

3-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]-2-fluorobenzoic acid