(+)-5,5'-Dimethyl-4,4',7,7'-tetramethoxy-8,8'-bicoumarin (8,8'-Bi-2H-1-benzopyran)-2,2'-dione, 4,4',7,7'-tetramethoxy-5,5'-dimethyl-, (+)- (9CI) 27909-08-6 5-19-07-00123 (Beilstein Handbook Reference) 8,8'-BICOUMARIN, 5,5'-DIMETHYL-4,4',7,7'-TETRAMETHOXY-, (+)- BRN 1444290 Kotanin