Dicopper;sodium;4-amino-6-[[4-[4-[methyl-[(z)-[3-methyl-5-oxido-1-(4-sulfonatophenyl)pyrazol-1-ium-4-ylidene]amino]amino]-3-oxidophenyl]-2-oxidophenyl]diazenyl]-5-oxidonaphthalene-1,3-disulfonate
CAS No. 813419-93-1