disodium 3-[[4-[[6-amino-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3,3-dimethoxy[1,1-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulphonate
直接铜蓝 2R 215255
CAS No: 3818-60-8
disodium,amino,hydroxy,sulphonato,naphthyl,dimethoxy,biphenyl,hydroxynaphthalene,sulphonate