(2aS,3aR,6S,6aS,7aR)-2,2-Dichloro-6-isopropyl-3a-methyl-decahydro-cyclobuta[f]inden-1-one

(3S,7aR)-3-isopropyl-7a-methyl-2,3,7,7a-tetrahydro-1H-inden-5(6H)-one

4-methyl-4-(4-methylpent-3-en-1-yl)cyclohex-2-en-1-one

(1S,3aR,7aS)-1-Isopropyl-3a-methyl-2,3,3a,4,7,7a-hexahydro-1H-indene