tetrasodium 5-amino-4-hydroxy-3-[[4'-[(2-hydroxy-3,6-disulphonato-1-naphthyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate price

tetrasodium 5-amino-4-hydroxy-3-[[4'-[(2-hydroxy-3,6-disulphonato-1-naphthyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate price, total count: 1