1,3-Dimethyl-3-ethyl-1,2,3,4-tetrahydro-2,4-quinolinedione 2,4(1H,3H)-Quinolinedione, 3-ethyl-1,3-dimethyl- (9CI) 2,4-Quinolinedione, 1,2,3,4-tetrahydro-1,3-dimethyl-3-ethyl- 5-21-11-00229 (Beilstein Handbook Reference) 53207-48-0 BRN 1465021 NSC 201323