The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials.
以苯乙酸乙酯和乙醇胺为原料合成霉素低毒前体苯乙酰乙醇胺。
However if one uses the penG procaine the injections must be givenevery day. Bicillin with the benzathine component is given every otherday.
不论如何，如果普鲁卡因霉素的话，这个药必须每天注射一次。而星霉素则需要两天注射一次。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
Leptospirosis is treated with penicillin G, and doxycycline can be used as an alternative.
钩端螺旋体病的治疗主要施用抗生素苄青霉素，西素可作备选。
But recent shortages in the supply of the drug benzathine penicillin made it more difficult to control syphilis, the WHO study said.
但世卫组织的研究称，最近苄星青霉素供应短缺，导致控制梅毒病情的难度加大。
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划词翻译
详细解释
霉素低毒前体苯乙酰
乙醇胺。
普鲁卡因
西
素可作
备选。
