benzofuran,ethoxy,furan
Benzofuran
33877-46-25'-hydroxy-3-methylidene-2-oxo-7-(prop-1-en-2-yl)octahydro-2H-spiro[1-benzofuran-6,3'-furan]-4-yl 2-methylbut-2-enoate
114315-44-53,3-Bis[2,2-bis[4-(1-pyrrolidinyl)phenyl]ethenyl]-4,5,6,7-tetrabromo-1(3H)-isobenzofuranone