1-Phenyl-2-thiosuccinimide 2-Pyrrolidinone, 1-phenyl-5-thioxo- (9CI) 4166-09-0 5-21-09-00550 (Beilstein Handbook Reference) BRN 0140679 N-Phenylmonothiosuccinimide NSC 158098 Succinimide, N-phenyl-2-thio- Succinimide, N-phenylthio- (8CI) USAF WI-2