Johansson L, Kowalski A, Martínez F. "一种的合成方法" [P]. European Patent, EP 3662763 A1, 2018-06-07.
发明人钱学锋,赵玉洁,冯建国. "Method for the Synthesis of 2,4-Dichloro-6,7-dihydro-[1,4]dioxino[2,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 109775334 A, 授权公告日 2025-07-11.
Park J H, Lee S K, Anderson J P. "A Process for Preparing High-Purity 2,4-Dichloro-6,7-dihydro-[1,4]dioxino[2,3-d]pyrimidine" [P]. US Patent, US 9374581 B2, 2025-01-15.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2013, 474, 9832-9857.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2023, 1581, (9), 7847-7870.