DisodiuM 4, 4,4'-Bis(2-sulfonatostyryl)biphenyl Disodium Salt, STILBENE 420, Disodium 4,4-Bis(2-Sulfonatostyryl)Biphenyl, fba351, Tinopal CBX, CF 351, Fluorescent Brightener CBS-X, Disodium 4,4'-bis(2-sulfonatostyryl)biphenyl, STILBENE 3, Tinopal SK, tinopalcbs, Eutex CBS, Uvitex NFW, Sodium 2,2'-([1,1'-biphenyl]-4,4'-diylbis(ethene-2,1-diyl))dibenzenesulfonate, , OPTICAL BRIGHTENER, Modified aromatic acid sodium salt, pure, Optical Brightners CBS-X, Tinopal® NFW LIQ