1,3-Benzenedisulfonic acid,4-formyl-,sodium salt (1:2), 4-formyl-1,3-benzene disulfonic acid disodium salt, Disodium 4-Formylbenzene-1,3-disulfonate, 4-Formylbenzene-1,3-disulfonic Acid Disodium Salt, Benzaldehyde-2,4-disulfonic acid disodium salt, Benzaldehyde disulfonic acid disodium salt, sodium 4-formyl-1,3-benzenedisulfonate, sodium 4-formylbenzene-1,3-disulphonate, sodium 4-formylbenzene-1,3-disulfonate, 4-formylbenzene-1,3-disulfonic acid,disodium salt