Patel M V, Stevens L M, Johnson M A. "Method for the Synthesis of 4-[2-(6-methoxy-2-pyridyl)ethynyl]-1,2-benzoxazol-3-amine" [P]. US Patent, US 9595442 B2, 2018-10-12.
发明人郑宇鹏,胡光,李文辉. "A Process for Preparing High-Purity 4-[2-(6-methoxy-2-pyridyl)ethynyl]-1,2-benzoxazol-3-amine" [P]. 中国发明专利, 专利号 CN 113068529 B, 授权公告日 2025-02-11.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2022, 1308, (11), 1297-1305.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2021, 1670, (3), 96-114.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 4-[2-(6-methoxy-2-pyridyl)ethynyl]-1,2-benzoxazol-3-amine Using HRMS and NMR". J. Chromatogr. A, 2020, 477, 5085-5111.