发明人沈红梅,赵玉洁,王建平. "一种吡格列酮氮氧化物的合成方法" [P]. 中国发明专利, 专利号 CN 115774638 A, 授权公告日 2015-07-22.
发明人韩伟,李文辉,胡光. "Method for the Synthesis of Pioglitazone N-Oxide" [P]. 中国发明专利, 专利号 CN 110987134 B, 授权公告日 2019-06-10.
Patel M V, Schröder R, Thompson G K. "A Process for Preparing High-Purity Pioglitazone N-Oxide" [P]. US Patent, US 10983968 B2, 2022-08-25.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 吡格列酮氮氧化物 in Pharmaceutical Formulations". Anal. Methods, 2012, 1773, (2), 8113-8140.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 吡格列酮氮氧化物 as an Impurity". Anal. Chim. Acta, 2023, 1430, 6994-7006.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Pioglitazone N-Oxide Using HRMS and NMR". J. Pharm. Biomed. Anal., 2010, 1410, 3278-3303.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate 吡格列酮氮氧化物 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2017, 1125, (4), 520-523.