Synonyms:
fluorescent brightener er ; fluorescent bleaches er ; 1,4-bis(2-cyano styryl)benzene ; b-er ; cyanostyryl benzene ; 2,2'-(p-phenylendiethen-2,1-diyl)bisbenzonitril ; 4,4-bis[(2-cyano-phenyl)ethenyl]benene ; fba 199 ; 4'-(2-cyanostyryl)-2-stilbenecarbonitrile ; fluorescent brightener er-i