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发明人胡光,孙丽萍,罗永刚. "Method for the Synthesis of Ethyl 5-(4-chlorophenyl)-5-hydroxy-1-(2-phenoxyacetyl)-4,5-dihydro-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111292865 A, 授权公告日 2020-06-23.
发明人马晓峰,郑宇鹏,黄志刚. "A Process for Preparing High-Purity Ethyl 5-(4-chlorophenyl)-5-hydroxy-1-(2-phenoxyacetyl)-4,5-dihydro-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115287802 B, 授权公告日 2020-07-21.
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