A.CH3COCH2CH3,CH3CHO,CF3CHO,CH3COCH=CH2 B. CH3CHO,CF3CHO,CH3COCH2CH3,CH3COCH=CH2 C. CF3CHO,CH3CHO,CH3COCH=CH2,CH3COCH2CH3 D. CF3CHO,CH3COCH=CH2,CH3CHO,CH3COCH2CH3
A.丙醛 B.苯甲醛 C.苯乙酮 D.環(huán)己酮
A. 2-戊酮 B. 3-己酮 C. 苯乙酮 D. 2-戊酸