(1aR,2aS,6S,6aR,7aS)-6-ethyl-5-oxooctahydro-2H-oxireno[2,3-g]isochromene-6-carbonitrile

(1aRS,1bSR,2aSR,2bSR,5aRS,5bRS)-octahydrobis(oxireno)[2,3-e:2',3'-g]isobenzofuran

(3aR,4R,5S,6R,7S,7aS)-octahydroisobenzofuran-4,5,6,7-tetrayl tetraacetate

(3aR,4S,5R,6S,7R,7aS)-octahydroisobenzofuran-4,5,6,7-tetrayl tetraacetate

(1R,2S,3R,4S,5S,6R)-5,6-bis(acetoxymethyl)cyclohexane-1,2,3,4-tetrayl tetraacetate