N'-((4aS,8aR)-5,8a-dimethyl-4,4a,8,8a-tetrahydro-1H-spiro[naphthalene-2,2'-[1,3]dioxolan]-7(3H)-ylidene)-4-methylbenzenesulfonohydrazide

(-)-[4aR,8aS]-1,1',8a-trimethyloctahydro-6,6'-(1,3-dioxolane)-naphthalene

(+)-4,(9S)-dimethyl-3,7-dioxo-Δ4(10)-octalin

(3R,4aS,8aR)-3-Isopropyl-5,8a-dimethyl-3,4,4a,7,8,8a-hexahydronaphthalen-2(1H)-one

(4aR,8aR)-3-[1-Hydroxy-meth-(E)-ylidene]-5,8a-dimethyl-3,4,4a,7,8,8a-hexahydro-1H-naphthalen-2-one