benzylidenefuran,dione,furan
Furan
20887-73-4(R)-8,9-Dihydro-3,6,7-trihydroxy-5-methoxy-1,8,8,9-tetramethyl-4H-phenaleno[1,2-b]furan-4-one
917470-33-8Furan,2-(2-bromo-3,4,5-trimethoxyphenyl)-3-(2-chloroethylidene)tetrahydro-5-propyl-, (2R,3E,5R)-rel-