CHO 丙醛船 HCOH 3 CH.OH D1油传 CHO CHO HCOH HOCH 丁醛触 HCOH HCOH CHOH CHOH D小鲜射 D-苏可 CHO H CHO CHO 2 HCOH HOCH HOCH 戍醛糖 OH CH,OH CHOH CHOH D核 D阿拉撕 0水精 D米苏躺 CHO CHO CHO CHO 2 H● HO 己髅确 OH HO HO OH OH OH OH 6 CH.OH CH.OH CHOH CH.OH CHOH CH OH CH.OH 。半乳 。塔罗糖