83949-58-0 EINECS 281-418-2 Tetrasodium (7-((6-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-1-hydroxy-3-sulpho-2-naphthyl)azo)-8-hydroxynaphthalene-1,3,5-trisulphonato(6-))cuprate(4-)