发明人马晓峰,黄志刚,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109433856 A, 授权公告日 2023-09-10.
发明人张德明,孙丽萍,王建平. "Method for the Synthesis of 4,4-Dimethyl-1-(o-tolyl)pyrazolidin-3-one" [P]. 中国发明专利, 专利号 CN 112117949 B, 授权公告日 2024-09-24.
发明人唐晓军,朱建伟,何建平. "A Process for Preparing High-Purity 4,4-Dimethyl-1-(o-tolyl)pyrazolidin-3-one" [P]. 中国发明专利, 专利号 CN 113942446 B, 授权公告日 2018-09-22.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2018, 1121, (1), 300-319.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2010, 1067, (9), 7285-7314.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4,4-Dimethyl-1-(o-tolyl)pyrazolidin-3-one Using HRMS and NMR". Talanta, 2015, 694, (6), 2934-2947.