2-Piperidinone, 6-thioxo- (9CI) 2-Piperidone, 6-thioxo- 5-21-09-00567 (Beilstein Handbook Reference) 5693-95-8 BRN 1524496 Glutarimide, 2-thio- Glutarimide, thio- (8CI) Monothioglutarimide NSC 102075 Thioglutarimide USAF WI-5