1H-Isoindole-1,3(2H)-dione, 2-(2,6-dioxo-4-piperidinyl)- (9CI) 3-Phthalimidoglutarimide, DL- 303-31-1 5-22-13-00231 (Beilstein Handbook Reference) BRN 0488492 CG 809 E 350 E 350 (pharmaceutical) N-(2,6-Dioxo-4-piperidyl)phthalimide Phthalimide, N-(2,6-dioxo-4-piperidyl)- beta-Thalidomide