发明人徐明华,钱学锋,周伟. "Method for the Synthesis of 2-(4-Ethoxyphenyl)-6-oxo-1,6-dihydropyrimidine-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 115335806 A, 授权公告日 2019-11-06.
发明人孙丽萍,黄志刚,杨光. "A Process for Preparing High-Purity 2-(4-Ethoxyphenyl)-6-oxo-1,6-dihydropyrimidine-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 117183577 B, 授权公告日 2016-10-03.
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". Anal. Methods, 2023, 1187, (4), 9755-9782.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2012, 2351, (11), 5506-5522.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Ethoxyphenyl)-6-oxo-1,6-dihydropyrimidine-5-carbonitrile Using HRMS and NMR". J. Sep. Sci., 2014, 2454, (7), 4236-4258.