(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-trimethylsilanyl-ethyl ester

(S)-2-[(R)-2-((2R,3S,4R,5R,6S)-2-Acetoxymethyl-5-acetylamino-6-benzyloxy-3-hydroxy-tetrahydro-pyran-4-yloxy)-propionylamino]-propionic acid 2-trimethylsilanyl-ethyl ester

2-(trimethylsilyl)ethyl ((R)-2-(((2R,4aR,6S,7R,8R,8aS)-7-acetamido-6-hydroxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-8-yl)oxy)propanoyl)-L-alaninate

2-(trimethylsilyl)ethyl ((R)-2-(((2R,4aR,6R,7R,8R,8aS)-7-acetamido-6-((bis(benzyloxy)phosphoryl)oxy)-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-8-yl)oxy)propanoyl)-L-alaninate

((R)-2-(((2R,4aR,6R,7R,8R,8aS)-7-acetamido-6-((bis(benzyloxy)phosphoryl)oxy)-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-8-yl)oxy)propanoyl)-L-alanine