2983-60-0 4,4'-Biphenyldiethanesulfonic acid, alpha,alpha'-dihydroxy-beta,beta'-dioxo-, disodium salt 4,4'-Biphenyldiglyoxal disodium bisulfite 4,4'-Biphenyldiglyoxal disodium bisulphite 4,4'-Biphenyldiglyoxylaldehyde, compd. with disodium bisulfite Disodium alpha,alpha'-dihydroxy-beta,beta'-dioxo-4,4'-biphenyldiethanesulfonate Methanesulfonic acid, (4,4'-biphenylenedicarbonyl)bis(hydroxy-, disodium salt