The influence such as molar ratio of salicylic acid to isobutyl alcohol, amount of catalyst, and reaction time on the yield of isobutyl salicylate were discussed.
研究了催化剂用量、酸醇物质的量比以及反应时间等因素对产品酯化率的影响。
Weisili acne tincture comprises metronidazole disodium hydrogen phosphate, salicylic acid, chloramphenicol and 75 percent alcohol.
本发明的维斯丽痤疮酊组成有甲硝唑磷酸二钠、水杨酸、氯霉素和75%酒精。
Weisili acne tincture comprises metronidazole disodium hydrogen phosphate, salicylic acid, chloramphenicol and 75 percent alcohol.
本发明的维斯丽痤疮酊组成有甲硝唑磷酸二钠、水杨酸、氯霉素和75%酒精。
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