| 释义 |
para hydroxybenzoic acid
基本例句
对羟基苯甲酸
It is maigre that to hydroxyl benzoic acid Yi Bingfu adds up to ester natrium and benzoic acid natrium?对羟基苯甲酸乙丙复合酯钠和苯甲酸钠是不是素食？
By use of dodecatungstophosphoric acid as catalyst,butyl para hydroxybenzoate was synthesized by esterification ofpara hydroxybenzoic acidand butyl alcohaol.以十二钨磷酸为催化剂，由对羟基苯甲酸和正丁醇酯化制得对羟基苯甲酸丁酯。 |