(R)-3-Hydroxy-3-(1H-pyrrol-3-yl)butan-2-one

rac-2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl) 1-ethyl (1R,2R)-1-(propan-2-yl)cyclopropane-1,2-dicarboxylate

tert-butyl 4-{2-[(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)oxy]-1-fluoro-2-oxoethyl}azepane-1-carboxylate

rac-1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl (1R,2R)-2-(1H-1,2,4-triazol-3-yl)cyclopropane-1-carboxylate

rac-3-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl) 1-(9H-fluoren-9-yl)methyl (3R,4R)-4-cyclohexylpyrrolidine-1,3-dicarboxylate

1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 3-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethyl]sulfanyl}propanoate

1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl (2S)-2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]-4-methylpentanoate

1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]thiophene-2-carboxylate

1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 4-({[(tert-butoxy)carbonyl]amino}methyl)-1-methyl-1H-1,2,3-triazole-5-carboxylate

1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl (7S)-5-oxo-5H,6H,7H,8H-imidazo[1,5-c]pyrimidine-7-carboxylate

2-tert-butyl 8-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl) 1H,2H,3H,4H-pyrrolo[1,2-a]pyrazine-2,8-dicarboxylate