2H-1-Benzopyran-2-one, 3,3'-methylenebis[4-hydroxy- (9CI) 2H-1-benzopyran-2-one, 3,3'-methylenebis[4-hydroxy- 3,3'-Methylenebis[4-hydroxy-1,2-benzopyrone] 3,3'-Methylenebis[4-hydroxy-2H-1-benzopyran-2-one] 3,3'-Methylenebis[4-hydroxycoumarin] 66-76-2 Acadyl Acavyl Antitrombosin Baracoumin Bis(4-hydroxycoumarin-3-yl)methane Bis-3,3'-(4-hydroxycoumarinyl)methane Bishydroxycoumarin Coumarin, 3,3'-methylenebis[4-hydroxy- (8CI) Cuma Cumid Di-4-hydroxy-3,3'-methylenedicoumarin Dicoumal Dicoumarin Dicoumarol Dicuman Dicumarine Dicumarol Dicumol Dufalone Kumoran Melitoxin Temparin Trombosan bis-hydroxycoumarin