4-amino-3-[[4'-[(4-amino-2-hydroxyphenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-[(4-sulphophenyl)azo]naphthalene-2,7-disulphonic acid, sodium salt price

4-amino-3-[[4'-[(4-amino-2-hydroxyphenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-[(4-sulphophenyl)azo]naphthalene-2,7-disulphonic acid, sodium salt price, total count: 1