(4)CHO OOH HoH COOH D(+)甘露糖二酸 (5) CHO 5HCOOH HCHO 甲酸甲醛 HoH H OH H OAC CH2OH AcO H2OH HoAC 甘露糖五乙酸酯 O HOCOCBH5 CHs COCI CsHsCa Casco CH2OH CH2OCOCBH 甘露糖五苯甲酸酯 (8)HOH HOCH3 CH3OH CH2OH CH2OH 甲基α-D-(+)-甘露糖苷 (9)HOH H oCH 1)CH3OH、HC CH3O 2)(CH3),S04- NaOH CH3o HOcH3p H2OH 甲基2,3,4,6四甲氧基 α-D(+)-甘露糖苷