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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甲基吡啶为原料,在固定床反应器中通过含氧生气固相接触氨氧反应制备雷米封中间体4氰基吡啶,4甲基吡啶转率为99%,4氰基吡啶选择性为88%,收率为87。

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原声例句
【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.

“甲基鈷胺含氰化物，而且吸收效果顯著更好，可以立即利，而無需複雜的轉換過程，並且與較低的風險相關，”伯格博士解釋道。

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