14149-30-5 2,6-Piperidinedione, 4,4-diethyl- (9CI) 3,3-Diethylglutarimide 4,4-Diethyl-2,6-piperidinedione 5-21-09-00609 (Beilstein Handbook Reference) BRN 0383669 Glutarimide, 3,3-diethyl- beta,beta-Diaethylglutarsaeureimid [German]