spiro,benzofuran,isochromen,furan
Benzofuran
778576-45-71-Dibenzofurancarboxamide,8-[(cyclopropylcarbonyl)amino]-N-(3,5-dichloro-4-pyridinyl)-4-methoxy-
99956-58-8PROPANOIC ACID2-METHYL-,(3AS,4R,5S,6S,7R,- 7AS)-6-VINYLOCTAHYDRO-4-HYDROXY-5-[1- (HYDROXYMETHYL)VINYL]-6-METHYL-3-METHYLENE- 2-OXO-7-BENZOFURANYL ESTER