(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-acetaldehyde2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)acetaldehydePhthalimidoacetaldehydeN-(Formylmethyl)phthalimide1,3-Dioxo-2-isoindolineacetaldehyde1,3-Dihydro-1,3-dioxo-2H-isoindole-2-acetaldehyde2-(1,3-Dioxo-1,3-dihydroisoindol-2-yl)acetaldehydeNSC 30242N-(2-Oxoethyl)phthalimide