Schröder R, Williams B T, Johnson M A. "一种环丙贝特EP杂质A的合成方法" [P]. US Patent, US 11107680 B2, 2017-02-13.
发明人林芳,刘建华,何建平. "Method for the Synthesis of Ciprofibrate EP Impurity A" [P]. 中国发明专利, 专利号 CN 112322641 A, 授权公告日 2024-06-17.
发明人赵玉洁,杨光,何建平. "A Process for Preparing High-Purity Ciprofibrate EP Impurity A" [P]. 中国发明专利, 专利号 CN 116465455 B, 授权公告日 2017-11-08.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 环丙贝特EP杂质A in Pharmaceutical Formulations". Environ. Sci. Technol., 2023, 1282, 731-735.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 环丙贝特EP杂质A as an Impurity". Rapid Commun. Mass Spectrom., 2010, 1493, (6), 8421-8445.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Ciprofibrate EP Impurity A Using HRMS and NMR". Sci. Total Environ., 2012, 581, (1), 5623-5632.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate 环丙贝特EP杂质A Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2010, 1285, (9), 4241-4258.