Similar names: 4,4'-(1,2-Diethylidene-1,2-ethanediyl)bisphenol; Phenol, 4,4'-(diethylideneethylene)di- (7CI,8CI); 2,4-Hexadiene, 3,4-bis(4-hydroxyphenyl)-; 3,4-Bis(p-hydroxyphenyl)-2,4-hexadiene; 3,4-Di-p-(hydroxyphenyl)hexa-2,4-diene; 4,4'-(Diethylideneethylene)diphenol; 4,4'-Dihydroxy-γ,δ-diphenyl-β,δ-hexadiene; Cycladiene; DV; Dehydrostilbestrol; Di-(p-oxyphenyl)-2,4-hexadiene; Dienesterol; Dienestrol; Dienoestrol; Dienol; Dinovex; Estrodienol; Estroral; Follidiene; Follormon; Gynefollin; Hormofemin; NSC 59809; Oestrasid; Oestrodiene; Oestroral; Restrol; Retalon; Sexadien; Synestrol; Teserene; p,p'-(Diethylideneethylene)diphenol