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The high - purity propionyl chloride was synthesized using propanoic acid and triphosgene as raw materials.
以丙酸和三光气为原料,用三光气法合成了纯度较高的丙酰氯.
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The propionyl chloride was found to be the appropriate acylating agent in terms of the cost.
通过成本比较,认为丙酰氯是合适的酰化剂.
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