2-Cyclohexyl-3-methylaniline

1-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutanecarbonyl]-4-methoxy-2-methylpyrrolidine-2-carboxylic acid

1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-enoyl]-4-methoxy-2-methylpyrrolidine-2-carboxylic acid

1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methoxypropanoyl]-4-methoxy-2-methylpyrrolidine-2-carboxylic acid

tert-butyl N-[1-(2,5-dioxooxolan-3-yl)cyclobutyl]carbamate

1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpropanoyl]-4-methoxy-2-methylpyrrolidine-2-carboxylic acid

1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanoyl]-4-methoxy-2-methylpyrrolidine-2-carboxylic acid

1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]-4-methoxy-2-methylpyrrolidine-2-carboxylic acid

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

7-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolane-2-carbonyl]-7-azabicyclo[2.2.1]heptane-2-carboxylic acid

(2S,4S)-1-[(2RS,3SR)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolane-2-carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid