aminoacetophenone英美网络 邻氮基苯乙酮医学化学双语例句Synthesis of α-aminoacetophenone hydrochloride and its p-substituted derivativesα-氨基苯乙酮盐酸盐和其对位取代衍生物的合成Study on the synthesis and application of α- Aminoacetophenone derivativesα-氨基苯乙酮衍生物的合成和应用