It is maigre that to hydroxyl benzoic acid Yi Bingfu adds up to ester natrium and benzoic acid natrium? 對羥基苯甲酸乙丙複合酯鈉和苯甲酸鈉是不是素食?
By use of dodecatungstophosphoric acid as catalyst,butyl para hydroxybenzoate was synthesized by esterification of para hydroxybenzoic acid and butyl alcohaol. 以十二鎢磷酸為催化劑,由對羥基苯甲酸和正丁醇酯化製得對羥基苯甲酸丁酯。
Who knows what effect acetyl salicylic acid has? 誰知道乙醯水楊酸有什麼作用?
Salicylic acid belongs to the group of medicines known as keratolytics. 水楊酸屬於已知的角質層分離劑類藥物。