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Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation,hydrogenation,cyclization with an overall yield of 8.05%.

以苯甲酰氯为,酰化,还,环等反应西替利嗪盐酸盐,反应总收率为8.05%。

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earned, earned run, earned run average, earner, earnest, earnest money, earnestly, earnestness, earning, earning per share,

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3G, 401(K), a,

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少年谢尔

Try benzoyl peroxide. It's over the counter.

试试过氧化苯甲酰,药房就能买。

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Scishow 精选系列

One of the most effective is benzoyl peroxide, a chemical compound that's really good at killing bacteria.

氧化苯甲酰是最有效的药物之一,这种化学合成物对于杀菌非常有效。

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精选英语短

If you can clearly recognize your condition as acne (whiteheads, blackheads, or pustules), you can treat those areas with a benzoyl peroxide spot treatment or salicylic acid.

如果你能清楚地识别出你的情况是痤疮(白头粉刺、黑头粉刺或脓疱), 你可以用过氧化苯甲酰斑点治疗剂或水杨酸治疗这些区

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AsapSCIENCE - Human

Many drugs exist, like benzoyl peroxide, which kills specific acne-causing bacteria, salicylic acid, which helps to remove dead skin blockages, retinoids, which reduce sebum production, and a variety of others —though some drugs can have severe side effects.

有许多药物,像是过氧化苯甲酰,那能消灭特定的致痘细菌,水杨酸,有助去除死皮造成的阻塞,维他命 A 酸,那能减少皮脂生成,还有其它许多药物--不过有些药物可能会造成严重副作用。

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earreach, earring, earrings, EARS, earser, earshot, earsplitting, ear-splitting, earstone, eartab,

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3G, 401(K), a,
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