(1R,5S,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-2-trimethylsilanyloxy-7-oxa-bicyclo[4.1.0]hept-2-ene

(1R,5S,6S)-3-Bromo-5-(tert-butyl-dimethyl-silanyloxy)-3-phenylselanyl-7-oxa-bicyclo[4.1.0]heptan-2-one

(1R,2S)-5,5-(Ethylendioxy)-2-hydroxycyclohexancarbonsaeure-ethylester

(1S)-4,4-ethylenedioxy-2-cyclohexen-1-ol

4-hydroxy-2-cyclohexenone