(4aR,5aS,8S,10S,11aR,12aS)-10-[(2R,3S,5R,6S)-5-Benzyloxy-6-benzyloxymethyl-3-(naphthalen-2-ylmethoxy)-tetrahydro-pyran-2-ylmethyl]-2,2-di-tert-butyl-4a,5a,8-trimethyl-octahydro-1,3,5,11-tetraoxa-2-sila-cycloocta[b]naphthalen-9-one

(4aR,5aS,10S,11aR,12aS)-10-[(2R,3S,5R,6S)-5-Benzyloxy-6-benzyloxymethyl-3-(naphthalen-2-ylmethoxy)-tetrahydro-pyran-2-ylmethyl]-2,2-di-tert-butyl-4a,5a-dimethyl-octahydro-1,3,5,11-tetraoxa-2-sila-cycloocta[b]naphthalen-9-one

3-[(2R,3S,5R,6S)-5-Benzyloxy-6-benzyloxymethyl-3-(naphthalen-2-ylmethoxy)-tetrahydro-pyran-2-yl]-2-[(4aR,6S,7R,8aS)-2,2-di-tert-butyl-6-(2-hydroxy-ethyl)-4a,6-dimethyl-hexahydro-1,3,5-trioxa-2-sila-naphthalen-7-yloxy]-propionitrile

4-((4aR,6S,7R,8aS)-6-Allyl-2,2-di-tert-butyl-4a,6-dimethyl-hexahydro-1,3,5-trioxa-2-sila-naphthalen-7-yloxy)-5-[(2R,3S,5R,6S)-5-benzyloxy-6-benzyloxymethyl-3-(naphthalen-2-ylmethoxy)-tetrahydro-pyran-2-yl]-pent-1-en-3-ol