Synonyms: 2,2'-Stilbenedisulfonicacid, 4,4'-diazido-, disodium salt (6CI,7CI,8CI);Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis[5-azido-, disodium salt (9CI);4,4'-Diazidostilbene-2,2'-disulfonic acid disodium salt;4,4'-Diazidostilbene-2,2'-disulfonic acid sodium salt;Disodium4,4'-diazidostilbene-2,2'-disulfonate;SCL 14;Sodium 4,4'-bisazido-2,2'-stilbenedisulfonate;Sodium 4,4'-diazido-2,2'-stilbenedisulfonate;