tert-butyl N-[5-(1-amino-3-hydroxypropyl)-2-hydroxy-3-methoxyphenyl]carbamate

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

3-[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylhexanamido]-2-hydroxy-2-methylpropanoic acid

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

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

2-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]-N-propylacetamido}acetic acid

(2S)-2-({1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethyl]-1H-1,2,3-triazol-4-yl}formamido)-3-hydroxypropanoic acid

2-{N-ethyl-1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido}-2-methylpropanoic acid

(2S)-2-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetamido}-3-methylbutanoic acid

1-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopropanecarbonyl]-4-methoxypiperidine-4-carboxylic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(thiophen-2-yl)acetamido]-2,2-difluoropropanoic acid