(2S,3S,4R,5S,6R)-5-Acetylamino-6-[(2R,3S,4R,5R,6S)-5-acetylamino-6-((2R,3S,4S,5R)-3-acetylamino-5,6-dihydroxy-2-methyl-tetrahydro-pyran-4-yloxy)-4-hydroxy-2-hydroxymethyl-tetrahydro-pyran-3-yloxy]-3,4-dihydroxy-tetrahydro-pyran-2-carboxylic acid 在
sodium tetrahydroborate 作用下,
生成 ((2R,3S,4R,5S,6S)-6-Acetyl-2-{(2R,3S,4R,5R,6S)-5-acetylamino-6-[(1S,2S,3R)-2-acetylamino-1-((S)-1,2-dihydroxy-ethyl)-3-hydroxy-butoxy]-4-hydroxy-2-hydroxymethyl-tetrahydro-pyran-3-yloxy}-4,5-dihydroxy-tetrahydro-pyran-3-yl)-carbamic acid