63217-00-5 Ethanaminium, N-(4-((4-(bis(2-hydroxyethyl)amino)phenyl)(3-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-2-hydroxy-N-(2-hydroxyethyl)-, inner salt Ethanaminium, N-(4-((4-bis(2-hydroxyethyl)amino)phenyl)(3-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-2-hydroxy-N-(2-hydroxyethyl)-, hydroxide, inner salt