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The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials.

以苯酯和为原料合成了低毒前体苯

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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,如果你使用普鲁卡因话,这个药必须每天注射一次。而则需要两天注射一次。

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3G, 401(K), a,

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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青霉素西素可作备选。

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VOA Special 2019年6

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,最近青霉素供应短缺,导致控制梅毒病情的难度加大。

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3G, 401(K), a,
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