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Cyanopyridine,intermediate of rimifon, was synthesized from 4-picoline using vanadium oxide as a catalyst in a fixed-bed reactor, reached 99% conversion of 4-picoline, 88% selectivity and 87.

以4甲基吡啶,在固定床反应器中通过氧化钒化剂发生气固相接触氨氧化反应制封中间体4氰基吡啶,4甲基吡啶转化率99%,4氰基吡啶选择性88%,收率87。

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nondegree, nondelay, non-delay, nondelimiter, non-delimiter, nondeliquescent, non-deliquescent, nondeliverable, nondelivery, nondenominated,

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3G, 401(K), a,

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【营养学】Vitamin B12

" Not only is methylcobalamin cyanide-free, but it's also significantly better absorbed, can immediately be utilized without the need for complex conversion processes, and is associated with a lower risk of side effects, " explains Dr. Berg.

甲基鈷胺不僅不氰化物,而效果顯著更好,可以立即利用,而無需複雜的轉換與較低副作用風險相關,”伯格博士解釋道。

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nondiscriminatory, non-discriminatory, nondisjunction, non-disjunction, nondisorimination, nondispersive, nondisposable, nondisruptive, nondissociated, nondistinctive,

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3G, 401(K), a,
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