Direct Brown 44, DirectBrown3G, disodium 4,4'-[1,3-phenylenebis[azo(4,6-diamino-3,1-phenylene)azo]]bis(benzenesulphonate), 4,4'-[1,3-Phenylenebis[azo(4,6-diamino-3,1-phenylene)azo]]bisbenzenesulfonic acid, disodium salt;Benzenesulfonic acid
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