Patel M V, Klinger H, Fischer A B. "Method for the Synthesis of Methyl 5-(chlorosulfonyl)-1-methyl-1h-pyrazole-4-carboxylate" [P]. US Patent, US 9903110 B2, 2018-09-15.
Rossi M, Kowalski A, Björnsson E. "A Process for Preparing High-Purity Methyl 5-(chlorosulfonyl)-1-methyl-1h-pyrazole-4-carboxylate" [P]. European Patent, EP 3193737 A1, 2018-07-01.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2019, 1426, (4), 7660-7672.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2018, 474, (6), 129-155.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 5-(chlorosulfonyl)-1-methyl-1h-pyrazole-4-carboxylate Using HRMS and NMR". J. Nat. Prod., 2024, 1942, (8), 5292-5319.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2010, 840, (5), 1650-1671.