[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-