Synonyms: Benzenamine, 4-((4-imino-2,5-cyclohexadien-1-ylidene)phenylmethyl)-, hydrochloride (1:1);Doebner's Violet;4-((4-Iminocyclohexa-2,5-dien-1-ylidene)benzyl)aniline monohydrochloride;Benzenamine, 4-((4-imino-2,5-cyclohexadien-1-ylidene)phenylmethyl)-, monohydrochloride;4-[(E)-[(4E)-4-iminocyclohexa-2,5-dien-1-ylidene](phenyl)methyl]aniline hydrochloride (1:1)