CHO CHO CHO CH,OH CH, OH CH2OH CHOH CHO CHO CHO CHO CHOH CHOH CH2 O CH2OH (3)丁酮酸旋光异构体的数目n=2个 CHOH CH OH H—C-OHHO—c—H CH OH CHOH 134下列两异构体分别与过量苯肼作用,结果有何不同? CHO CHO CHOH HOH (2)CH2 CHOH CHOH CHOH CHOHCHO CH2OH CHO CH2OH CHO CH2OH CHO CH2OH CHO CH2OH CHO CH2OH CHO CH2OH CHO CH2OH (3)丁酮酸 旋光异构体的数目 n=2 个 C C CH2OH CH2OH H OH O C C CH2OH CH2OH HO H O 13.4下列两异构体分别与过量苯肼作用，结果有何不同？ CHO CH2 CHOH CHOH CH2OH CHO CHOH CH2 CHOH CH2OH (1) (2) 答：