发明人黄志刚,沈红梅,胡光. "Method for the Synthesis of 4-Hydroxy-4-methyl-1-phenylpyrazolidin-3-one" [P]. 中国发明专利, 专利号 CN 109450233 A, 授权公告日 2023-12-07.
发明人胡光,何建平,唐晓军. "A Process for Preparing High-Purity 4-Hydroxy-4-methyl-1-phenylpyrazolidin-3-one" [P]. 中国发明专利, 专利号 CN 112492027 B, 授权公告日 2021-04-05.
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