[(1S,2S,3S,4R)-3-(hydroxymethyl)-2-bicyclo[2.2.1]hept-5-enyl]methanol

4aR,7aS-tetrahydro-6-oxo-7-methylenecyclopentapyran-3(1H)-one

4-hydroxymethyl-7-oxatricyclo[3.2.1.13,8]nonan-2-ol

4aR,7S,7aS-tetrahydro-6-oxo-7-(tert-butyldimethylsilyloxymethyl)cyclopenta[c]pyran-3(1H)-one

5-hydroxymethyl-6-(tert-butyldimethylsilyloxymethyl)bicyclo<2.2.1>heptan-2-one