发明人郑宇鹏,黄志刚,胡光. "一种吡非尼酮杂质36的合成方法" [P]. 中国发明专利, 专利号 CN 108521229 A, 授权公告日 2018-02-06.
发明人林芳,郭海燕,胡光. "Method for the Synthesis of Pirfenidone Impurity 36" [P]. 中国发明专利, 专利号 CN 117605627 B, 授权公告日 2023-05-18.
发明人沈红梅,李文辉,马晓峰. "A Process for Preparing High-Purity Pirfenidone Impurity 36" [P]. 中国发明专利, 专利号 CN 115242674 A, 授权公告日 2016-09-08.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of 吡非尼酮杂质36 in Pharmaceutical Formulations". J. Agric. Food Chem., 2017, 1882, (8), 5751-5772.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 吡非尼酮杂质36 as an Impurity". J. Nat. Prod., 2024, 1733, (9), 3953-3978.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Pirfenidone Impurity 36 Using HRMS and NMR". J. Chromatogr. A, 2019, 193, (10), 9362-9370.