Benzyl-5-O-(3,4,6,7-tetra-O-benzyl-L-glycero-α-D-manno-heptopyranosyl)-3-O-desoxy-4-O-(3-desoxy-α-D-manno-2-octulopyranosylonsaeure)-β-D-manno-2-octulopyranosylonsaeure 生成 (2R,4R,5R,6R)-2-[(4R,5R,6R)-2-carboxy-6-[(1R)-1,2-dihydroxyethyl]-5-[(2S,3S,5S,6R)-6-[(1S)-1,2-dihydroxyethyl]-3,4,5-trihydroxyoxan-2-yl]oxy-2-hydroxyoxan-4-yl]oxy-6-[(1R)-1,2-dihydroxyethyl]-4,5-dihydroxyoxane-2-carboxylic acid