2,6(1H,3H)-Pyridinedione, 3-ethyl-5-methoxy-1-methyl-3-phenyl- 4-Methoxy-N-methyl-2-ethyl-2-phenylglutaconimide 5-21-13-00213 (Beilstein Handbook Reference) 56392-81-5 BRN 1584847 Glutaconimide, 4-ethyl-2-methoxy-N-methyl-4-phenyl-