2H-Furo(2,3-h)(1)benzopyran-2-one, 4-methyl- 4-Methyl-2H-furo(2,3-h)-1-benzopyran-2-one 4-Methylangelicin 5-19-04-00456 (Beilstein Handbook Reference) 6457-92-7 BRN 0174731