Lee S K, Davis P L, Johnson M A. "Method for the Synthesis of 1-Methyl-1,4-bis(2-(stearoyloxy)ethyl)piperazin-1-ium methyl sulfate" [P]. US Patent, US 9499364 B2, 2016-02-27.
Thompson G K, O'Brien P Q, Johnson M A. "A Process for Preparing High-Purity 1-Methyl-1,4-bis(2-(stearoyloxy)ethyl)piperazin-1-ium methyl sulfate" [P]. US Patent, US 9609085 B2, 2025-07-25.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2024, 1356, (10), 6854-6879.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2011, 2387, (8), 6287-6290.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-1,4-bis(2-(stearoyloxy)ethyl)piperazin-1-ium methyl sulfate Using HRMS and NMR". Chemosphere, 2025, 1983, 6280-6303.