furan,penten
Furan
4514-79-8SPIRO[1,3-DIOXOLANE-2,5'-[4,8]ETHENO[5H]INDENO- [5,6-C]FURAN]-1',3'-DIONE,3'A,4',4'A,7'A,8',8'AHEXAHYDRO- 53625-15-3(3R,5S,5aR)-5-(3-Furyl)-3,4,5,5,5aα,7,8,8aα-octahydro-7α-methylspiro[furan-3(2H),6-[6H]naphtho[1,8-bc]furan]-2,2(4H)-dione