2H-Isoindole-2-butanol, 1,3-dihydro-1,3-dioxo- (9CI) 3598-60-5 4-Phthalimidobutanal 4-Phthalimidobutyraldehyde 5-21-10-00398 (Beilstein Handbook Reference) BRN 0011926 Phthalimide, N-(3-formylpropyl)- gamma-Phthalimidobutyraldehyde