85650-70-0 EINECS 288-080-5 Sodium (1-((5-(ethylsulphonyl)-2-hydroxyphenyl)azo)-2-naphtholato(2-))(methyl (8-((5-(ethylsulphonyl)-2-hydroxyphenyl)azo)-7-hydroxy-1-naphthyl)methylcarbamato(2-))cobaltate(1-)