发明人朱建伟,沈红梅,何建平. "Method for the Synthesis of Pinaverium impurity 34" [P]. 中国发明专利, 专利号 CN 117872151 B, 授权公告日 2015-01-16.
发明人杨光,郭海燕,郑宇鹏. "A Process for Preparing High-Purity Pinaverium impurity 34" [P]. 中国发明专利, 专利号 CN 111152521 B, 授权公告日 2025-01-01.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 匹维溴铵杂质34 in Pharmaceutical Formulations". Environ. Sci. Technol., 2024, 2370, (5), 1318-1331.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 匹维溴铵杂质34 as an Impurity". J. Nat. Prod., 2024, 871, 7231-7254.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Pinaverium impurity 34 Using HRMS and NMR". Sci. Total Environ., 2018, 860, (4), 9580-9589.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 匹维溴铵杂质34 Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2014, 1983, 9753-9764.