(2S,3S,4R,4aR,5aR,8S,9R,10aS,11aR)-3,4-Bis-benzyloxy-2-(2-methyl-[1,3]dithian-2-ylmethyl)-9-prop-2-ynyl-2,3,4,4a,5a,8,9,10a,11,11a-decahydro-1,5,10-trioxa-cyclohepta[b]naphthalen-8-ol

(2S,3S,4R,4aR,5aR,8R,9R,10aS,11aR)-3,4-Bis-benzyloxy-2-(2-methyl-[1,3]dithian-2-ylmethyl)-9-prop-2-ynyl-2,3,4,4a,5a,8,9,10a,11,11a-decahydro-1,5,10-trioxa-cyclohepta[b]naphthalen-8-ol