发明人郭海燕,周伟,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115063419 A, 授权公告日 2020-07-01.
发明人王建平,胡光,杨光. "Method for the Synthesis of 1-(5-(2-Hydroxy-5-methoxy-3-nitrophenyl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)ethan-1-one" [P]. 中国发明专利, 专利号 CN 113362828 B, 授权公告日 2019-01-02.
发明人李文辉,郑宇鹏,唐晓军. "A Process for Preparing High-Purity 1-(5-(2-Hydroxy-5-methoxy-3-nitrophenyl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)ethan-1-one" [P]. 中国发明专利, 专利号 CN 110872526 B, 授权公告日 2022-03-27.
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