Methanaminium, N-[4-[bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, 1,2-benzenedicarboxylate (1:1) Methanaminium, N-[4-[bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride, compd. with dipotassium 1,2-benzenedicarboxylate (1:1) Methanaminium, N-[bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, 1,2-benzenedicarboxylate (1:1) NSC271967