TETRASODIUM (MU-(7-((4-((8-AMINO-1-HYDROXY-3,6-DISULFO-2-NAPHTHYL)AZO)-3,3-DIHYDROXY(1,1-BIPHENYL)-4-YL)AZO)-8-HYDROXYNAPHTHALENE-1,3-DISULFONATO(8-)))DICUPRATE(4-)
CAS No. 73507-23-0