benzofuranone,dihydro,benzofuran,furan,furanone
Benzofuran
26891-81-65,7-Dichloro-4-hydroxy-6-methoxy-6-methyl-3,4-dioxospiro[benzofuran-2(3H),1-cyclohexa[2,5]diene]-2-carboxylic acid
3012-76-8(2E,4E,6E)-7-(4,4,7a-trimethyl-2,5,6,7-tetrahydrobenzofuran-2-yl)-3-me thyl-octa-2,4,6-trienoic acid