. . "4,4'-(Diethylideneethylene)diphenol"@en . . "Dienoestrol"@en . "Dienestrol"@en . "C0012145" . "D004028" . "Phenol, 4,4'-(1,2-diethylidene-1,2-ethanediyl)bis-"@en . . "Dienestrol"@en . . .