30075-29-7

[8-[(4-amino-2-nitrophenyl)azo]-7-hydroxy-2-naphthyl]trimethylammonium Ammonium,[8-[(4-amino-2-nitrophenyl)azo]-7-hydroxy-2-naphthyl] trimethyl- 2-Naphthalenaminium, 8-(4-amino-2-nitrophenyl)azo-7-hydroxy-N,N,N-trimethyl- (8Z)-8-[(4-amino-2-nitrophenyl)hydrazinylidene]-7-oxonaphthalen-2-yl]-trimethylazanium