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The Cool Down on MSN
20 小时
California governor signs laws to give local governments more control over oil and gas ...
"Tremendous progress is being made." California governor signs laws to give local governments more control over oil and gas ...
Allure on MSN
8 天
What We Really Know About Benzoyl Peroxide Acne Treatments and Benzene
Some researchers are sounding alarm bells over benzene in acne products (and the FDA is doing its own testing) as conflicting ...
Wikiwand
1 个月
Hinsberg reaction
A secondary amine in the same reaction will directly form an insoluble sulfonamide. A tertiary amine will not react with the original reagent (benzene sulfonyl chloride) and will remain insoluble.
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