发明人李文辉,张德明,杨光. "Method for the Synthesis of 6,7-Dimethoxy-4-piperazin-1-yl-quinazoline" [P]. 中国发明专利, 专利号 CN 115365769 A, 授权公告日 2020-04-07.
Rossi M, Johansson L, Nowak P. "A Process for Preparing High-Purity 6,7-Dimethoxy-4-piperazin-1-yl-quinazoline" [P]. European Patent, EP 3742131 A1, 2024-07-28.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2020, 2249, 755-780.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2017, 1040, (9), 5995-5998.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 6,7-Dimethoxy-4-piperazin-1-yl-quinazoline Using HRMS and NMR". Biomed. Chromatogr., 2020, 1690, 9158-9171.