(2S)-2-[(3R,4S,5R,6R)-3-acetamido-5-[(2S,3R,4S,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxypropanoic acid 、
L-alanyl-D-glutamic acid dibenzyl ester 生成 dibenzyl (2R)-2-[[(2S)-2-[[(2S)-2-[(2S,3R,4S,5R,6R)-3-acetamido-5-[(2S,3R,4S,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxypropanoyl]amino]propanoyl]amino]pentanedioate