((R)-2-Benzyloxy-1-(R)-oxiranyl-ethoxy)-tert-butyl-dimethyl-silane

Methanesulfonic acid (1R,6S,7S)-1-[(R)-2-benzyloxy-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-6-(tert-butyl-dimethyl-silanyloxy)-7-methoxymethoxy-non-3-ynyl ester