发明人孙丽萍,冯建国,黄志刚. "Method for the Synthesis of 2-(4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)phenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 108305894 B, 授权公告日 2020-08-11.
发明人孙丽萍,唐晓军,郭海燕. "A Process for Preparing High-Purity 2-(4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)phenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 117996798 B, 授权公告日 2025-12-13.
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