The reaction 5 - amino - lH - pyrazole with 2,4 - dichlorophenoxy acetyl chloride was studied.

2.研究了 5- 氨基 -1H- 吡唑与2,4-二氯苯氧乙酰氯反应的选择性和反应性能.

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A method for determining hydroxyl value of epoxy - containing polyester, namely acetyl chloride method is introduced.

介绍了一种含环氧基聚酯的羟值测定方法, 即乙酰氯法.

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The compound stabilizer of water is synthetized from the by product in production of acetyl chloride.

采用乙酰氯副产物为原料合成复合水质稳定剂.

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