Fukinone

(8aβ)-Decahydro-3-(1-methylethylidene)-4aβ,5β-dimethylnaphthalene-2-one

(4aR)-3,4,4a,5,6,7,8,8aβ-Octahydro-4aβ,5β-dimethyl-3-(1-methylethylidene)naphthalen-2(1H)-one