- (2S,3R)-3-[(2S,3R,4R,5R,6R)-3-Acetamido-5-acetyloxy-6-(acetyloxymethyl)-4-[(2R,3R,4S,5S,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid,≥95%, 25mg