(S)-2-[(R)-2-((2R,4aR,6S,7R,8R,8aS)-7-Acetylamino-6-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yloxy)-propionylamino]-propionic acid 2-benzenesulfonyl-ethyl ester

(S)-2-{(R)-2-[(2R,3S,4R,5R,6S)-2-Acetoxymethyl-5-acetylamino-6-benzyloxy-3-((2S,3R,4R,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-3-acetylamino-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-4-yloxy]-propionylamino}-propionic acid 2-benzenesulfonyl-ethyl ester

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

(S)-2-[(R)-2-((2S,3R,4R,5S,6R)-3-Acetylamino-2-benzyloxy-6-benzyloxymethyl-5-hydroxy-tetrahydro-pyran-4-yloxy)-propionylamino]-propionic acid 2-benzenesulfonyl-ethyl ester