其它别名Disodium 2,2'-[(2,4-Dihydroxy-1,3-Phenylene)Bis(Azo-4,1-Phenyleneimino)]Bis(5-Nitrobenzenesulphonate); Disodium 2,2'-[(2,4-Dipydroxy-1,3-Phenylene] Bis(Azo-4,1-Phenyleneimino))Bis(5-Nitrobenzenesulphonate); Deep Brown R; Acid Brown Ebr; Benzenesulfonic Acid, 2, 2'-[(2, 4-Dihydroxy-1, 3-Phenylene)Bis(Azo-4, 1-Phenyleneimino)]Bis[5-Nitro], Disodium Salt