N-salicyl-phthalimide

tetraethyl propane-1,1,3,3-tetracarboxylate

2-(nitromethyl)isoindole-1,3-dione

2-(octylsulfanylmethyl)isoindole-1,3-dione

1,3-bis[(1,3-dioxoisoindol-2-yl)methyl]urea