1,3-Dihydro-1,3-dioxo-2H-isoindole-2-butanoic acid 2-ISOINDOLINEBUTYRIC ACID, 1,3-DIOXO- 2H-Isoindole-2-butanoic acid, 1,3-dihydro-1,3-dioxo- (9CI) 3130-75-4 4-Phthalimidobuttersaure [German] 4-Phthalimidobutyric acid 5-21-10-00481 (Beilstein Handbook Reference) AI3-04699 BRN 0208243 Butyric acid, 4-phthalimido- N-Phthaloyl GABA N-Phthalyl-gamma-aminobutyric acid NSC 119133