Similar names: Coumarin, 3,3'-methylenebis[4-hydroxy- ; 3,3'-Methylenebis[4-hydroxy-1,2-benzopyrone]; 3,3'-Methylenebis[4-hydroxycoumarin]; Acadyl; Acavyl; Antitrombosin; Baracoumin; Bis(4-hydroxycoumarin-3-yl)methane; Bis-3,3'-(4-hydroxycoumarinyl)methane; Bishydroxycoumarin; Cuma; Cumid; Di-4-hydroxy-3,3'-methylenedicoumarin; Dicoumal; Dicoumarin; Dicoumarol; Dicuman; Dicumarine; Dicumarol; Dicumol; Dufalone; Kumoran; Melitoxin; NC 034; NSC 17860; NSC 221570; NSC 41834; Temparin; Trombosan