N,N-dimethyl-4-(2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-1-yl)aniline

4-[bis(3-methyl-1H-indol-2-yl)methyl]-N,N-dimethylaniline

4-[(dimethylhydrazinylidene)methyl]-N,N-dimethylaniline

diethyl 2-[[4-(dimethylamino)phenyl]methylidene]propanedioate

4-二甲氨基苯甲酸