benzofuranone,ethylidene,benzofuran,furan,furanone
Benzofuran
140863-29-24-Isobenzofuranoctanoic acid,7-(1-hexenyl)-1,3,3a,4,7,7a-hexahydro-1,3-dioxo-, 1,2,3-propanetriylester Furan
41943-07-12-Methyl-2-butenoic acid 2,3,3a,4,5,7,9a,9b-octahydro-3,6,9-trimethyl-4-(2-methyl-1-oxopropoxy)-2,7-dioxoazuleno[4,5-b]furan-3-yl ester