tetrasodium 5-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]-8-[[6-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate
直接蓝 2GL 251271
CAS No: 6428-60-0
tetrasodium,hydroxy,phenylamino,sulphonato,naphthyl,sulphonatophenyl,naphthalene,sulphonate