Thompson G K, Fischer A B, Kumar R. "一种奥普力农杂质2的合成方法" [P]. US Patent, US 11628772 B2, 2020-02-18.
发明人陈志强,孙丽萍,朱建伟. "Method for the Synthesis of Olprinone Impurity 2" [P]. 中国发明专利, 专利号 CN 117530707 A, 授权公告日 2016-02-22.
发明人沈红梅,唐晓军,徐明华. "A Process for Preparing High-Purity Olprinone Impurity 2" [P]. 中国发明专利, 专利号 CN 108619646 A, 授权公告日 2022-05-17.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 奥普力农杂质2 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2021, 1526, (2), 277-283.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of 奥普力农杂质2 as an Impurity". Talanta, 2019, 1039, 7418-7424.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Olprinone Impurity 2 Using HRMS and NMR". Food Chem., 2012, 697, (3), 7864-7891.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate 奥普力农杂质2 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2025, 1943, (4), 9501-9526.