(1S,2S,4S)-bicyclo[2.2.1]hept-5-en-2-yl acetate

(S)-3,4,8,8a-tetrahydro-8a-(hydroxymethyl)-1,6-(2H,7H)-naphthalenedione-1-ethylene acetal

(1S,4S,5R)-5-(4-Methoxy-benzyloxy)-bicyclo[2.2.1]heptan-2-one

(1S,4S,5R)-2,2-Dimethoxy-5-(4-methoxy-benzyloxy)-bicyclo[2.2.1]heptane

(3aS,6aS,8S,10aR)-8-(tert-Butyl-dimethyl-silanyloxy)-4-methylene-octahydro-2-oxa-cyclopenta[d]naphthalen-3-one