发明人马晓峰,徐明华,陈志强. "Method for the Synthesis of 4-(Hydroxymethyl)-5-(4-methoxyphenyl)-1-methylpyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 114021124 A, 授权公告日 2021-05-05.
发明人林芳,钱学锋,韩伟. "A Process for Preparing High-Purity 4-(Hydroxymethyl)-5-(4-methoxyphenyl)-1-methylpyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 108463263 A, 授权公告日 2020-10-05.
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