5,8-dioxo-7-(phenylamino)-5,8-dihydronaphthalene-1-sulfonamide
7-((4-methoxyphenyl)amino)-5,8-dioxo-5,8-dihydronaphthalene-1-sulfonamide
7-((3-methoxyphenyl)amino)-5,8-dioxo-5,8-dihydronaphthalene-1-sulfonamide
C28H26N4O6S
5,8-dioxo-6-(phenylamino)-5,8-dihydronaphthalene-1-sulfonamide