Anderson J P, Lee S K, Park J H. "Method for the Synthesis of Lercanidipine Impurity 11" [P]. US Patent, US 11076195 B2, 2023-01-17.
Brown S R, Schröder R, Anderson J P. "A Process for Preparing High-Purity Lercanidipine Impurity 11" [P]. US Patent, US 11698852 B2, 2020-09-15.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2017, 1252, (3), 59-69.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2017, 953, 1157-1178.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Lercanidipine Impurity 11 Using HRMS and NMR". Environ. Sci. Technol., 2016, 1355, (10), 1159-1177.