furanone,hexadiynylidene,furan
Furan
453518-03-11H-Pyrrole-2-carbonitrile,3-[1-[dihydro-4-(1-methylethylidene)-2,5-dioxo-3(2H)-furanylidene]ethyl]-1,5-dimethyl-
195060-17-46-Benzofurancarboxylic acid,2,3-dihydro-3-methyl-3-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)-, methyl ester