1 9JF N-(3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracen-2-yl)-2-hydroxybenzene-1-sulfonamide 1.000 2 8LF ~{N}-[3,4-bis(oxidanyl)-9,10-bis(oxidanylidene)anthracen-2-yl]-4-methyl-benzenesulfonamide 0.933 3 AW6 4-chloro-N-(3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracen-2-yl)benzene-1-sulfonamide 0.933 4 HKB ~{N}-[3,4-bis(oxidanyl)-9,10-bis(oxidanylidene)anthracen-2-yl]-4-(dimethylamino)benzenesulfonamide 0.875 5 9HU 2-[(3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracen-2-yl)sulfamoyl]phenyl acetate 0.848