Acetic acid (4aR,6S,7R,8aS)-6-[4-((2R,3S)-3-benzyloxy-tetrahydro-pyran-2-yl)-3-hydroxy-2-methylene-butyl]-2,2-dimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester

Acetic acid (4aR,6S,7R,8aS)-6-[4-((2R,3S)-3-benzyloxy-tetrahydro-pyran-2-yl)-2-methylene-3-oxo-butyl]-2,2-dimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester