发明人何建平,钱学锋,刘建华. "Method for the Synthesis of 6-[2-(2-chloro-3-pyridyl)ethynyl]-1H-pyrido[2,3-d]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 111178897 B, 授权公告日 2023-12-11.
发明人王建平,刘建华,胡光. "A Process for Preparing High-Purity 6-[2-(2-chloro-3-pyridyl)ethynyl]-1H-pyrido[2,3-d]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 113445844 A, 授权公告日 2022-12-02.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2024, 105, 6348-6353.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2018, 169, 2884-2895.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 6-[2-(2-chloro-3-pyridyl)ethynyl]-1H-pyrido[2,3-d]pyrimidin-4-one Using HRMS and NMR". J. Agric. Food Chem., 2025, 1252, 6895-6908.