发明人孙丽萍,何建平,周伟. "Method for the Synthesis of Ethyl 5-amino-1-(4-chlorophenyl)-3-(2-hydroxyethoxy)-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 116236358 B, 授权公告日 2022-02-11.
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