71566-34-2 Cobaltate(1-), bis(2-((2-(amino-kappaN)-1-naphthalenyl)azo-kappaN1)-5-nitrophenolato(2-)-kappaO)-, hydrogen EINECS 275-633-0 Hydrogen bis(2-((2-amino-1-naphthyl)azo)-5-nitrophenolato(2-))cobaltate(1-)