Jørgensen K, Nielsen H, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3847078 A1, 2020-10-10.
发明人李文辉,朱建伟,张德明. "Method for the Synthesis of 4-(7-Hydroxy-4-oxo-4H-chromen-3-yl)phenyl hydrogen sulfate" [P]. 中国发明专利, 专利号 CN 114961479 A, 授权公告日 2016-10-15.
发明人杨光,唐晓军,孙丽萍. "A Process for Preparing High-Purity 4-(7-Hydroxy-4-oxo-4H-chromen-3-yl)phenyl hydrogen sulfate" [P]. 中国发明专利, 专利号 CN 112216536 B, 授权公告日 2022-11-08.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2019, 2232, (6), 6837-6862.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2024, 244, (3), 3641-3647.