2,5-Cyclohexadien-1-one, 4-(p-dimethylaminophenyl)imino-2-methyl- 4-(p-Dimethylaminophenyl)imino-2-methyl-2,5-cyclohexadiene-1-one 4-13-00-00127 (Beilstein Handbook Reference) 64693-19-2 BRN 2376942 NSC 14727