89205-74-3

2-Naphthalenecarboxamide,4,4'-[(9,10-dihydro-9,10-dioxo-2,6-anthracenediyl)bis(azo)]bis[N-(4-ethylphenyl)-3-hydroxy-

2-Naphthalenecarboxamide,4,4'-[(9,10-dihydro-9,10-dioxo-2,6-anthracenediyl)bis(azo)]bis[N-(4-ethylphenyl)-3-hydroxy-