2,6-Piperidinedione, 4-butyl-4-methyl- (9CI) 2686-79-5 3-Methyl-3-n-butylglutarimide 5-21-09-00614 (Beilstein Handbook Reference) BRN 1450206 Glutarimide, 3-butyl-3-methyl- Methylbutylglutarimide NSC 38749