3,4-dimethoxybenzyl (methylthio)methyl ether

(R)-1-(Benzyl-dimethyl-silanyl)-6,6-diethoxy-5-hydroxy-hept-1-yn-3-one

(3R,5R)-1-(Benzyl-dimethyl-silanyl)-6,6-diethoxy-hept-1-yne-3,5-diol

(3R,5R)-7-(Benzyl-dimethyl-silanyl)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-hept-6-yn-2-one

(3R,5R)-7-(Benzyl-dimethyl-silanyl)-5-(tert-butyl-dimethyl-silanyloxy)-3-(3,4-dimethoxy-benzyloxymethoxy)-hept-6-yn-2-one