3-[2-(Chloromethyl)-2-methylbutyl]furan

2-{1-[2-cyclobutyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetyl]piperidin-2-yl}acetic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-[1-(hydroxymethyl)-2-azabicyclo[2.1.1]hexan-2-yl]-4-oxobutanoic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-[1-(hydroxymethyl)-2-azabicyclo[2.1.1]hexan-2-yl]-5-oxopentanoic acid

2-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methylcyclohexyl]-N-(propan-2-yl)formamido}acetic acid

2-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methylcyclohexyl]-N-methylformamido}butanoic acid

4-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methylcyclohexyl]-N-methylformamido}butanoic acid

2-({[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methylcyclohexyl]formamido}methyl)butanoic acid

5-(chloromethyl)-2-methyl-4-(propan-2-yl)-1H-imidazole

5-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methylcyclohexyl]formamido}pentanoic acid

(2R)-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methylcyclohexyl]formamido}-3-methylbutanoic acid