1. 4.It is also known that sodium ethylate and diethyl phenylmalonate interact together to give ethyl Phenylacetate and diethyl carbonate.
   众所周知，乙醇纳和二乙基苯基丙二酸酯反应可以得到乙基乙酸苯酯和二乙基碳酸酯。

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