(4aS,8aS)-2-Dimethoxymethyl-5,5,8a-trimethyl-4a,5,6,7,8,8a-hexahydro-4H-naphthalen-1-one

1-diphenylphosphonio-1-methoxymethyllithium

(1aR,3aS,7aS,7bS)-1a-Dimethoxymethyl-4,4,7a-trimethyl-decahydro-1-oxa-cyclopropa[a]naphthalene

(1aS,3aR,7aR,7bR)-4,4,7a-Trimethyl-octahydro-1-oxa-cyclopropa[a]naphthalene-1a-carbaldehyde