Indeno
2,4-Ethano-4H-indeno[5,6-c]oxeto[3,2-b]furan-8-ol,decahydro-2a,4,5a-trimethyl-8-(1-methylethyl)-, (2a,2ab,4a,4ab,5ab,8b,8aa,9aS*)-(+)-
3-[[(2,5-Dihydro-4-methyl-5-oxo-2-furanyl)oxy]methylene]-3,3a,4,5,6,7,8,8b-octahydro-5-hydroxy-8,8-dimethyl-2H-indeno[1,2-b]furan-2-one
2,3,4,5a,9,10,10a,10b,11,11a-decahydro-1h-indeno[1,2-b]indolizine