2-Naphthalenecarboxamide, 4-((9,10-dihydro-9,10-dioxo-1-anthracenyl)azo)-3-hydroxy-N-phenyl- 2-Naphthalenecarboxamide, 4-((9,10-dihydro-9,10-dioxoanthracen-1-yl)azo)-3-hydroxy-N-phenyl- 4-((9,10-Dihydro-9,10-dioxo-1-anthryl)azo)-3-hydroxy-N-phenylnaphthalene-2-carboxamide 72845-91-1 EINECS 276-938-1