1-{2,2-dimethyl-6-[2,2,5-trimethyl-6-(2-triisopropylsilanyloxy-ethyl)-[1,3]dioxan-4-ylmethyl]-[1,3]dioxan-4-yl}-5-{6-[4-(4-methoxy-benzyloxy)-3,5-dimethyl-hex-1-enyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-pentane-2,4-diol

(4S,6R)-4-Ethynyl-6-[(E)-(3S,4S)-4-(4-methoxy-benzyloxy)-3,5-dimethyl-hex-1-enyl]-2,2-dimethyl-[1,3]dioxane