disodium 3-[[4-[[4-[ethyl[[3(or 4)-sulphonatophenyl]methyl]amino]phenyl]azo]-1-naphthyl]azo]benzenesulphonate
CAS No. 84067-17-4
Disodium 3-((4-((4-(ethyl((3(or 4)-sulphonatophenyl)methyl)amino)phenyl)azo)-1-naphthyl)azo)benzenesulphonate