(3S,4aR,10aS,10bS)-3-tert-Butyl-6a,10b-dimethyl-decahydro-naphtho[2,1-d][1,3]dioxin-7-one

(3R,4aS,10aS,10bR)-3-tert-Butyl-6a,10b-dimethyl-8-oxo-decahydro-naphtho[2,1-d][1,3]dioxine-7-carbaldehyde

(3S,4aR,10aS,10bS)-3-tert-Butyl-8-methoxy-6a,10b-dimethyl-1,4a,5,6,6a,10,10a,10b-octahydro-naphtho[2,1-d][1,3]dioxin-7-one