CHO H—C—OH CH2OH HO一 HO OH CHO H OH H—C—OH H—C—OH CHOH CH2OH CH2OH D(+)-葡萄糖 D(+)-甘油醛 D()-果糖 L(-)-葡萄糖L(-)—甘油醛L(-)一果糖 2022021/2/21 7