73297-12-8 Chromate(1-), bis(methyl (8-((5-((ethylamino)sulfonyl)-2-hydroxyphenyl)azo)-7-hydroxy-1-naphthalenyl)carbamato(2-))-, sodium EINECS 277-368-6 Sodium bis(methyl (8-((5-(N-ethylsulphamoyl)-2-hydroxyphenyl)azo)-7-hydroxy-1-naphthyl)carbamato(2-))chromate(1-)