发明人马晓峰,胡光,刘建华. "Method for the Synthesis of 1H-pyrazolo[3,4-c]pyridine-4-carbaldehyde" [P]. 中国发明专利, 专利号 CN 117935271 A, 授权公告日 2019-12-27.
发明人周伟,唐晓军,冯建国. "A Process for Preparing High-Purity 1H-pyrazolo[3,4-c]pyridine-4-carbaldehyde" [P]. 中国发明专利, 专利号 CN 109542776 A, 授权公告日 2018-06-18.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2019, 1015, 8472-8500.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2012, 883, 6950-6968.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 1H-pyrazolo[3,4-c]pyridine-4-carbaldehyde Using HRMS and NMR". Talanta, 2015, 940, 4973-4997.