1H-5,10b-(epoxymethano)pentaleno[2,1-a]naphthalene-9,10,11-trione, 2,3,4,4a,5,6,6b,9a-octahydro-6-hydroxy-4,4,7-trimethyl-9a-(1-methylethyl)-, (4aS,5S,6S,10bR)- InChI=1/C23H28O5/c1-10(2)23-12(24)9-11(3)14(23)13-15(19(23)26)22-8-6-7-21(4,5)18(22)17(16(13)25)28-20(22)27/h9-10,14,16-18,25H,6-8H2,1-5H3/t14?,16-,17+,18-,22-,23?/m0/s rel-(4aR,5R,6R,10bS)-6-hydroxy-9a-isopropyl-4,4,7-trimethyl-2,3,4,4a,5,6,6b,9a-octahydro-1H-5,10b-(epoxymethano)pentaleno[2,1-a]naphthalene-9,10,11-trione rel-(5S,6S,7S,10R,12S,13R)-7-Hydroxyapiana-8,14-diene-11,16-dion-(22,6)-olide