Brown S R, Yamamoto T, Chen K W. "Method for the Synthesis of 4-chloro-2H-pyrazolo[4,3-c]pyridine" [P]. US Patent, US 10281905 B2, 2017-04-28.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2010, 352, (10), 403-406.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2025, 815, (2), 1915-1934.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-chloro-2H-pyrazolo[4,3-c]pyridine Using HRMS and NMR". Environ. Sci. Technol., 2015, 431, (10), 238-263.