Thompson G K, Stevens L M, Johnson M A. "Method for the Synthesis of Pramocaine Impurity 3" [P]. US Patent, US 10905419 B2, 2023-02-01.
Johnson M A, Mueller T, Brown S R. "A Process for Preparing High-Purity Pramocaine Impurity 3" [P]. US Patent, US 9103180 B2, 2016-08-17.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of 普莫卡因杂质3 in Pharmaceutical Formulations". Anal. Methods, 2019, 1323, (11), 9904-9922.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 普莫卡因杂质3 as an Impurity". Environ. Sci. Technol., 2016, 1272, (1), 8527-8546.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Pramocaine Impurity 3 Using HRMS and NMR". J. Sep. Sci., 2011, 2157, 5290-5315.