2-{3-[5-acetoxy-6-acetoxymethyl-3-(2,2,2-trichloro-ethoxycarbonylamino)-tetrahydro-pyran-2-yloxy]-2-acetoxymethyl-5-acetylamino-6-benzyloxy-tetrahydro-pyran-4-yloxy}-propionic acid 2-benzenesulfonyl-ethyl ester

2-{3-acetylamino-2-benzyloxy-6-benzyloxymethyl-5-[2-phenyl-7-(2,2,2-trichloro-ethoxycarbonylamino)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-tetrahydro-pyran-4-yloxy}-propionic acid 2-benzenesulfonyl-ethyl ester