发明人林芳,郭海燕,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109234578 A, 授权公告日 2023-05-06.
Patel M V, Mueller T, Chen K W. "Method for the Synthesis of Pyrido[2,3-d]pyridazine-8(7H)-thione" [P]. US Patent, US 9781845 B2, 2022-10-26.
Lee S K, Hughes D C, Anderson J P. "A Process for Preparing High-Purity Pyrido[2,3-d]pyridazine-8(7H)-thione" [P]. US Patent, US 9446744 B2, 2025-01-18.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2020, 247, (5), 5554-5561.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2011, 1026, (6), 1449-1476.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Pyrido[2,3-d]pyridazine-8(7H)-thione Using HRMS and NMR". J. Nat. Prod., 2011, 675, 6847-6852.