Methods The control group 70 cases, benzene sulfonic acid amlodipine pieces.
方法对照组70例，治疗方案：苯磺酸氨氯地平片。
Then-octyl gallate was prepared by esterification of alcohol and gallic acid in catalysis system of dodecyl benzene sulfonic acid.
以十二烷基苯磺酸为催化剂，酸醇直接酯化合成没食子酸正辛酯。
The invention relates to a binary alkyl benzene sulfonic acid rare earth catalyst, a preparation method and the application thereof.
本发明涉及二元烷基苯磺酸稀土催化剂及制法和应用。
Three kinds of benzene sulfonate were prepared from derivant of benzene sulfonic acid and zinc oxide and element analysis of products was made.
以苯磺酸衍生物和氧化锌为原料，制备甲基苯磺酸锌、对氨基苯磺酸锌、十二烷基苯磺酸锌，并对产品进行了元素分析；
Then (iso) butyl gallate was prepared by esterification of alcohol and gallic acid in catalysis ofp methyl benzene sulfonic acid and the reaction temperature was risen in a gradient style.
对甲苯磺酸为催化剂，用梯度升温法，酸、醇直接酯化合成没食子酸正（异）丁酯。
Then (iso) butyl gallate was prepared by esterification of alcohol and gallic acid in catalysis ofp methyl benzene sulfonic acid and the reaction temperature was risen in a gradient style.
对甲苯磺酸为催化剂，用梯度升温法，酸、醇直接酯化合成没食子酸正（异）丁酯。
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