发明人刘建华,朱建伟,韩伟. "Method for the Synthesis of 5-(3-Hydroxyphenyl)-1-phenylpyrazolidin-3-one" [P]. 中国发明专利, 专利号 CN 109054393 A, 授权公告日 2024-03-25.
发明人钱学锋,黄志刚,韩伟. "A Process for Preparing High-Purity 5-(3-Hydroxyphenyl)-1-phenylpyrazolidin-3-one" [P]. 中国发明专利, 专利号 CN 110299199 A, 授权公告日 2022-04-10.
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