tetrasodium [mu-[[2,2'-[carbonylbis[imino(2-sulpho-p-phenylene)vinylene(3-sulpho-p-phenylene)(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-1,4-diyl)azo]]bis[benzoato]](8-)]]dicuprate(4-) price

tetrasodium [mu-[[2,2'-[carbonylbis[imino(2-sulpho-p-phenylene)vinylene(3-sulpho-p-phenylene)(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-1,4-diyl)azo]]bis[benzoato]](8-)]]dicuprate(4-) price, total count: 1