83249-26-7

sodium [N-[7-hydroxy-8-[(2-hydroxy-5-nitrophenyl)azo]-1-naphthyl]methanesulphonamidato(2-)][2-[[2-hydroxy-5-sulphamoylphenyl]azo]-3-oxo-N-phenylbutyramidato(2-)]chromate(1-)