目的建立小儿速效感冒冲剂中对乙酰氨基酚、啡因、来酸氯苯那敏和人工牛黄的鉴别方法。
Objective to establish a method to identify paracetamol caffeine chlophenamine maleate and artificial calculus bovis in xiaoersuxiaoganmao granules.
以邻氨基苯酚和尿素为原料生成苯并恶唑酮，再用过氧化氢盐酸氯化制得6-氯苯并唑酮。
Benzoxazolone was prepared from o-aminophenol and urea and then was chloridized by hydrogen peroxide and hydrochloric acid to get 6-chlorobenzoxazolone.
本文主要报道了以2- 氨基-4， 6-二羟基嘧啶和邻氯苯甲酸为起始原料合成除草剂氟嘧磺隆，以及详细地介绍了各个中间体的合成方法。
This paper reports the synthesis of herbicide ofprimisulfuron-methyl, the method uses 2-amino-4,6-dihydroxylpyrimidine and O-chlorobenzoic acid as the raw materials.
合成了一种新型铁络合偶氮染料，其母体染料由间氨基对羟基苯酚对磺酸和1-间氯苯-3-甲基吡唑啉酮偶合而成。
A new Fe-azo complex dyestuff was synthesized by complexing iron salt with the pre-dyestuff that was prepared from the o-aminophenolsulfonic acid and Cl-substituted pyrazolone.
本发明公开了化学结构式I所示的5-（4-氯苯甲基）-4-叔丁基-2-氨基噻唑硝酸盐手性晶体及其制备方法。
The invention discloses a 5-(4-chlorophenylmethyl)-4-tertiary butyl-2-aminothiazole nitrate chiral crystal shown in a chemical formula I and a preparation method thereof.
本发明公开了化学结构式I所示的5-（4-氯苯甲基）-4-叔丁基-2-氨基噻唑硝酸盐手性晶体及其制备方法。
The invention discloses a 5-(4-chlorophenylmethyl)-4-tertiary butyl-2-aminothiazole nitrate chiral crystal shown in a chemical formula I and a preparation method thereof.
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