3-Propyl-1-oxa-3,7-diazaspiro[4.5]decan-2-one

2-Chloro-3-fluoro-4-iodo-5-methoxypyridine

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-(propan-2-yl)pentanamido]propanoic acid

4-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]-4-methylpentanoic acid

2-{[2-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]methyl}butanoic acid

4-[(3-ethoxypropyl)carbamoyl]-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{[(oxolan-3-yl)methyl]carbamoyl}butanoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-{[2-(thiophen-2-yl)ethyl]carbamoyl}propanoic acid

rac-7-[(1R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentanecarbonyl]-7-azabicyclo[2.2.1]heptane-1-carboxylic acid

(1RS,5SR)-5-[(1RS&,3SR&)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentaneamido]cyclohex-3-ene-1-carboxylic acid

rac-5-[(1R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentaneamido]-1-methyl-1H-pyrazole-3-carboxylic acid