disodium 4,4'-dinitrostilbene-2,2'-disulfonate, Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis(5-nitro-,sodium salt (1:), Einecs 240-021-4, 4,4'-Dinitro-stilben-2,2'-disulfonsaeure,Dinatrium-Verbindung, disodium 4,4'-dinitro-2,2'-stilbenedisulfonate, 4,4'-dinitro-stilbene-2,2'-disulfonic acid,disodium-compound, Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis(5-nitro-,sodium salt