sodium bis[N-[8-[[5-(ethylsulphonyl)-2-hydroxyphenyl]azo]-7-hydroxy-1-naphthyl]methane-1-sulphonamidato(2-)]chromate(1-) 2-Naphthol, 1-[[5-(ethylsulfonyl)-2-hydroxyphenyl]azo]-8-[(methylsulfonyl)amino]-, chromium complex, sodium salt 2-Naphthol,1-[[5-(ethylsulfonyl)-2-hydroxyphenyl]azo]-8-[(methylsulfonyl)amino]-,chromium complex,sodium salt chromate, bis[n-[8-[[5-(ethylsulfonyl)-2-hydroxyphenyl]azo]-7-hydroxy-1-nap Chromate, bis[N-[8-[[5-(ethylsulfonyl)-2-hydroxyphenyl]azo]-7-hydroxy-1-naphthalenyl]methanesulfonamidato]-, sodium Chromate,bis[N-[8-[[5-(ethylsulfonyl)-2-hydroxyphenyl]azo]-7-hydroxy-1-naphthalenyl]methanesulfonamidato]-,sodium Chromate(1-), bis[N-[8-[[5-(ethylsulfonyl) -2-hydroxyphenyl]azo]-7-hydroxy-1-naphthalenyl ]methanesulfonamidato(2-)]-, sodium