(2R,3R,4S)-2-[3-((2R,4aS,6R,7S,8S,8aS)-7,8-Bis-benzyloxy-6-benzyloxymethyl-octahydro-pyrano[3,2-b]pyran-2-yl)-prop-2-ynyl]-4-chloro-tetrahydro-pyran-3-ol

(2S,3S,4aR,8S,8aR,2'R,4'aS,6'R,7'S,8'S,8'aS)-7',8'-Bis-benzyloxy-6'-benzyloxymethyl-8-chloro-hexadecahydro-[2,2']bi[pyrano[3,2-b]pyranyl]-3-ol