1,4-Bis((2-methylphenyl)amino)anthraquinone 1,4-Bis(2-methylanilino)anthraquinone 1,4-Di(2'-methylphenylamino)anthracene-9,10-dione 221658-43-1 6737-68-4 9,10-Anthracenedione, 1,4-bis((2-methylphenyl)amino)- EINECS 229-792-8