发明人张德明,钱学锋,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112940222 A, 授权公告日 2016-01-08.
Mueller T C, Kowalski A, Lefèvre J P. "Method for the Synthesis of Ethyl 3-(3-chlorophenyl)-1,2,4-oxadiazole-5-carboxylate" [P]. European Patent, EP 3821573 A1, 2017-08-15.
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