5,9-methanocycloocta[b]furan-4,10(2H)-dione, 5-benzoyl-3,5,6,7,8,9-hexahydro-2-(1-hydroxy-1-methylethyl)-6,6-dimethyl-7,9-bis(3-methyl-2-butenyl)- 5-benzoyl-2-(1-hydroxy-1-methylethyl)-6,6-dimethyl-7,9-bis(3-methylbut-2-en-1-yl)-3,5,6,7,8,9-hexahydro-5,9-methanocycloocta[b]furan-4,10(2H)-dione 8-Benzoyl-4-(1-hydroxy-1-methyl-ethyl)-9,9-dimethyl-1,10-bis-(3-methyl-but-2-enyl)-3-oxa-tricyclo[6.3.1.02,6]dodec-2(6)-ene-7,12-dione InChI=1/C33H42O5/c1-20(2)14-15-23-19-32(17-16-21(3)4)28-24(18-25(38-28)31(7,8)37)27(35)33(29(32)36,30(23,5)6)26(34)22-12-10-9-11-13-22/h9-14,16,23,25,37H,15,17-19H2,1-8H Ochrocarpinone C