乙酸酐 、 2,3,4,6-tetra-O-acetyl-β-D-Manp-(1->4)-2,3-di-O-acetyl-α-L-Rhap-(1->3)-2,4,6-tri-O-acetyl-β-D-Galp-(1->6)-2,3,4-tri-O-benzyl-β-D-Manp-(1->4)-2,3-di-O-benzyl-α-L-Rhap-(1->3)-4,6-O-ethylidene-1,2-isopropylidene-α-D-Galp 生成
β-D-Manp-(1->4)-α-L-Rhap-(1->3)-β-D-Galp-(1->6)-β-D-Manp-(1->4)-α-L-Rhap-(1->3)-α-D-Galp octadeca-acetate