发明人罗永刚,唐晓军,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114324211 A, 授权公告日 2024-05-26.
Jørgensen K, Nowak P, Nielsen H. "Method for the Synthesis of 6-Bromo-2-imino-2H-chromene-3-carbonitrile" [P]. European Patent, EP 3352526 A1, 2023-12-19.
发明人冯建国,罗永刚,周伟. "A Process for Preparing High-Purity 6-Bromo-2-imino-2H-chromene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 109833885 B, 授权公告日 2019-05-11.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2020, 2171, 5620-5639.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2021, 200, 4772-4775.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 6-Bromo-2-imino-2H-chromene-3-carbonitrile Using HRMS and NMR". Anal. Methods, 2018, 1033, (5), 5915-5933.