Klinger H, Yamamoto T, Patel M V. "一种的合成方法" [P]. US Patent, US 11074202 B2, 2023-02-07.
发明人张德明,罗永刚,赵玉洁. "Method for the Synthesis of 7-methoxy-1H-pyrazolo[4,3-c]cinnoline" [P]. 中国发明专利, 专利号 CN 114753112 A, 授权公告日 2021-11-15.
发明人林芳,韩伟,刘建华. "A Process for Preparing High-Purity 7-methoxy-1H-pyrazolo[4,3-c]cinnoline" [P]. 中国发明专利, 专利号 CN 113908072 A, 授权公告日 2019-02-28.
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". Chemosphere, 2010, 173, (10), 1073-1081.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2011, 852, 8724-8738.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 7-methoxy-1H-pyrazolo[4,3-c]cinnoline Using HRMS and NMR". J. Sep. Sci., 2019, 765, (9), 204-217.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2022, 2166, (3), 5003-5015.