6,8-Dibromo-2-propyl-4(3H)-quinazolinone

(2RS,3RS)-3-{[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanamido]methyl}oxolane-2-carboxylic acid

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

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

(2R)-2-amino-3-(2-chloropyrimidin-4-yl)propanoic acid

3-({[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopropyl]formamido}methyl)oxolane-2-carboxylic acid

2-({5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolan-3-yl}formamido)butanoic acid

(2S)-2-(1-{5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolan-3-yl}-N-methylformamido)propanoic acid

1-{5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolane-3-carbonyl}-3,3-dimethylazetidine-2-carboxylic acid

2-[({5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolan-3-yl}formamido)oxy]propanoic acid

2-cyclopropyl-2-[({5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolan-3-yl}formamido)oxy]acetic acid