2,2'-Methylenebis(4-chlorophenol) 97-23-4 AIDS-017785 AIDS017785 Anthiphen Antifen Antiphen Cordocel DDDM DDM Dicestal Dichlorofen Dichlorophen Dichlorophene Dichlorphen Didroxan Didroxane Difentan Embephen Halenol Hyosan Korium NSC38642 Palacel Parabis Prevental Taeniatol Teniathane Teniatol Teniotol Trivex Vermithana Wespuril