(1S,2R,4aS,6S,8aR)-6-(tert-Butyl-diphenyl-silanyloxy)-1-hydroxymethyl-8a-(2-trimethylsilanyl-ethoxymethoxymethyl)-decahydro-naphthalen-2-ol

(1S,4S,5R)-2-Methoxy-5-(4-methoxy-benzyloxy)-bicyclo[2.2.1]hept-2-ene

(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