dihydrochloride

Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation, hydrogenation, cyclization with an overall yield of 8.05 %.

以苯甲酰氯为原料,经酰化, 还原, 环合等反应合成左旋西替利嗪盐酸盐,反应总收率为8.05%.

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Methods: The nitrite was detected from samples by N - Naphthylethylenediamine Dihydrochloride.

方法用盐酸萘乙二胺法检测样品中的亚硝酸盐.

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Single crystal of dihydrochloride was cultivated by natural cooling method according to its characteristic of solubility.

根据盐酸大观霉素的溶解度特性,采用自然冷却法培养出单晶.

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The results indicate that arte - sunate is significantly superior to quinine dihydrochloride in both aspects.

结果表明,青蒿琥酯的杀虫速度比二盐酸奎宁快,治愈效果优于二盐酸奎宁.

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The resultant hydrolytic reaction product is dihydrochloride.

所形成的水解反应物是二盐酸.

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The resultant hydrolytic reaction product is methylenedioxyamine dihydrochloride.

所形成的水解反应物是二盐酸甲撑二氧胺.

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