propanamide,dibenzofuranylthio,benzofuran,furan
Furan
65018-66-82-Propenoic acid,2-methyl-,esters,(3aR,4S,- 6E,10E,11aR)-2,3,3a,4,5,8,9,11a-octahydro- 10-(hydroxymethyl)-6-methyl-3-methylene- 2-oxocyclodeca[b]furan-4-yl ester
18375-00-3(3aS)-3a,5,5a,9,9aβ,9bα-Hexahydro-5aα,9β-dimethyl-3-methylenenaphtho[1,2-b]furan-2,8(3H,4H)-dione