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Benzenesulfonamide,3(or4)-[[4-[(2,6-dimethylphenyl)amino]-9,10-dihydro-9,10-dioxo-1-anthracenyl]amino]-2,4(or3,5)-dimethyl-, bis[[[2-(sulfooxy)ethyl]amino]sulfonyl] deriv., potassiumsodium salt (1:?:? related products: