p. 4081 - 4082
(1994)(1S,3aS,5R,6R,7aR)-7a-Isopropenyl-5-((R)-2-methoxy-2-phenyl-acetoxy)-3a-methyl-hexahydro-3-oxa-1,6-cyclo-indene-1-carboxylic acid methyl ester
7-Methyl-7-(2-methyl-1-methylene-allyl)-5-oxo-2,5,6,7-tetrahydro-oxepine-3-carboxylic acid methyl ester