Fischer A B, Roberts E F, Patel M V. "一种的合成方法" [P]. US Patent, US 9917652 B2, 2017-09-26.
Thompson G K, Mueller T, Anderson J P. "Method for the Synthesis of 1-Methyl-1,2-dihydro-3H-pyrazole-3-thione" [P]. US Patent, US 11269935 B2, 2017-04-04.
Chen K W, Fischer A B, Schröder R. "A Process for Preparing High-Purity 1-Methyl-1,2-dihydro-3H-pyrazole-3-thione" [P]. US Patent, US 11968061 B2, 2022-04-21.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2015, 951, 3087-3102.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2018, 1666, (4), 6359-6369.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-1,2-dihydro-3H-pyrazole-3-thione Using HRMS and NMR". J. Sep. Sci., 2025, 1099, (2), 9232-9250.