sodium 2,2'-((1E,1'E)-[1,1'-biphenyl]-4,4'-diylbis(ethene-2,1-diyl))dibenzenesulfonate; 2,2'-([1,1'-Biphenyl]-4,4'-diyldi-2,1-ethenediyl)bisbenzenesulfonic Acid Sodium Salt; 4,4'-Bis(2-Sodiosulfostyryl)biphenyl; 4,4'-Bis(2-sulfostyryl)biphenyl Disodium Salt; 4,4'-Bis(o-sulfostyryl)biphenyl Disodium Salt; Brightener BR 49; Brightener CBS-X; CF 351; Calcofluor CG; DSBP; Disodium 4',4''-Bi[stilbene-2,2'''-disulfonate]; Optical Brightener CBS-X; Stilbene 3; Stilbene 420; Tinopal CBS; Tinopal CBS-X; Tinopal CBS-X 44; Tinopal CBX; Tinopal SK; Uvitex NFW;