benzofuran,trimethyl,furan
Benzofuran
103779-43-7(-)-4a,5a,9a,9b-Tetrahydro-1,4,4a,6,8-pentahydroxy-4,5a,7,9b-tetramethyl-2,9-bis(1-oxo-2,4-hexadienyl)dibenzofuran-3(4H)-one Furan
173011-09-11H-Indeno[4,5-c]furan, 3,3a,4,5,6,7,8,8b-octahydro-6,6,8(or