81361-02-6 Cobaltate(1-), bis(2-((2-(hydroxy-kappaO)-4-nitrophenyl)azo-kappaN1)-3-(oxo-kappaO)-N-phenylbutanamidato(2-))-, sodium Cobaltate(1-), bis(2-((2-hydroxy-4-nitrophenyl)azo)-3-oxo-N-phenylbutanamidato(2-)), sodium EINECS 279-744-5 Sodium bis(2-((2-hydroxy-4-nitrophenyl)azo)-3-oxo-N-phenylbutyramidato(2-))cobaltate(1-)