73195-17-2 Cobaltate(1-), (6-(amino-kappaN)-5-((2-(hydroxy-kappaO)-4-nitrophenyl)azo-kappaN1)-N-(2-hydroxypropyl)-2-naphthalenesulfonamidato(2-))(1-((5-chloro-2-(hydroxy-kappaO)phenyl)azo-kappaN1)-2-naphthalenolato(2-)-kappaO)-, sodium EINECS 277-317-8 Sodium (6-amino-5-((2-hydroxy-4-nitrophenyl)azo)-N-(2-hydroxypropyl)naphthalene-2-sulphonamidato(2-))(1-((5-chloro-2-hydroxyphenyl)azo)naphthalen-2-olato(2-))cobaltate(1-)