N-(Biphenyl-4-yl)ethylenediamine

(2R)-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methyl-1,3-thiazol-5-yl]formamido}-3-hydroxypropanoic acid

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

2-({1-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]-3-methylazetidin-3-yl}oxy)acetic acid

4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pent-4-ynamido]-3-methoxybutanoic acid

4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxybutanamido]-3-methylbutanoic acid

3-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,6-difluorophenyl]formamido}-2-methylpropanoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{7-methyl-2,7-diazaspiro[4.4]nonan-2-yl}-4-oxobutanoic acid

(2S)-3-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,6-difluorophenyl]formamido}-2-hydroxypropanoic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methoxy-N-methylbutanamido]oxolane-3-carboxylic acid

3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N,5,5-trimethylhexanamido]-2-methylpropanoic acid