Brown S R, Mueller T, Williams B T. "Method for the Synthesis of 1-Isopropyl-4-(pyridin-2-ylmethyl)piperazine" [P]. US Patent, US 11185349 B2, 2016-12-04.
Fischer A B, Stevens L M, Patel M V. "A Process for Preparing High-Purity 1-Isopropyl-4-(pyridin-2-ylmethyl)piperazine" [P]. US Patent, US 10401691 B2, 2017-10-08.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2010, 160, (1), 6308-6312.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2012, 1492, 4630-4644.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 1-Isopropyl-4-(pyridin-2-ylmethyl)piperazine Using HRMS and NMR". J. Sep. Sci., 2016, 1140, (12), 6480-6486.