发明人周伟,郑宇鹏,徐明华. "Method for the Synthesis of 4,4-Difluoro-5-hydroxy-1,5-dimethyl-2-phenylpyrazolidin-3-one" [P]. 中国发明专利, 专利号 CN 116141986 A, 授权公告日 2020-09-24.
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