2β,10β-oxymethylene-4α-methyl-9-oxo-trans-decalin

1-methoxy-5-methyl-trans-perhydro-7,8a-(epoxymethano)naphthalene

(4R,4aS,8S,8aS)-8-Methoxy-4,8a-dimethyl-octahydro-naphthalen-2-one

(1S,6S,7R,9R)-7-Methyl-10-oxa-tricyclo[7.2.1.01,6]dodec-3-en-2-one

(1S,4S,6R,7S,9S)-7-Methyl-10-oxa-tricyclo[7.2.1.01,6]dodecane-4-carboxylic acid methyl ester