发明人张德明,高志强,胡光. "一种屈他维林杂质12的合成方法" [P]. 中国发明专利, 专利号 CN 117528374 A, 授权公告日 2021-06-01.
发明人罗永刚,林芳,徐明华. "Method for the Synthesis of Drotaverine Impurity 12" [P]. 中国发明专利, 专利号 CN 109466716 A, 授权公告日 2020-09-18.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 屈他维林杂质12 in Pharmaceutical Formulations". Phytochemistry, 2017, 1812, (12), 1778-1791.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 屈他维林杂质12 as an Impurity". Anal. Chem., 2019, 1304, (8), 7460-7478.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Drotaverine Impurity 12 Using HRMS and NMR". Molecules, 2024, 290, 2723-2746.