Björnsson E, Schröder R, Rossi M. "一种的合成方法" [P]. European Patent, EP 3044290 A1, 2021-05-07.
发明人马晓峰,唐晓军,韩伟. "Method for the Synthesis of 6,7-Dihydro-[1,4]dioxino[2,3-c]pyridazine-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 111451667 B, 授权公告日 2023-04-02.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2015, 1975, (7), 5044-5071.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2020, 204, 496-517.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 6,7-Dihydro-[1,4]dioxino[2,3-c]pyridazine-3-carbaldehyde Using HRMS and NMR". Anal. Methods, 2011, 1057, (3), 9601-9611.