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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含氧化钒的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甲基吡啶的转化率99%,4氰基吡啶的选择性88%,收率87。

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原声例句
【营养】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.

“鈷胺不僅不含氰化物，而且吸收效果顯著更好，可以立即利用，而無需複雜的轉換過程，並且與較低的副作用風險，”格博士解釋道。

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