benzopyran,methyl,furo[2,3-g]
Furo[2,3-g]
62473-74-9Furo[2,3-g]quinoline-7-carboxylic acid,2,3,5,8-tetrahydro-5-(2-methyl-2-propenyl)-8-oxo-, 2-methyl-2-propenylester
160791-13-93,9-Ethano-4H-furo[2,3-g][2]benzopyran-2,7-dione,4-(acetyloxy)-5-(3-furanyl)-3,3a,4a,5,9,9a-hexahydro-3,8,9a-trimethyl-, (3a,3ab,4a,4ab,5b,9a,9ab)-(+)-