(5S,6R,7S)-3,3,9,9-tetraethyl-6-methyl-5-(2-(phenylsulfonyl)ethyl)-7-((S)-1-(trityloxy)propan-2-yl)-4,8-dioxa-3,9-disilaundecane

(2S,3S,4R,5S)-2,4-Dimethyl-7-phenylsulfanyl-heptane-1,3,5-triol

(3S,4R,5S,6S)-4,6-Dimethyl-7-triisopropylsilanyloxy-heptane-1,3,5-triol

(2S,3S,4R,5S)-2,4-Dimethyl-7-phenylsulfanyl-1-triisopropylsilanyloxy-heptane-3,5-diol

(2S,3S,4R,5S)-2,4-Dimethyl-7-phenylsulfanyl-1-trityloxy-heptane-3,5-diol