Roberts E F, Klinger H, Johnson M A. "Method for the Synthesis of 2-(4-Methoxyphenyl)pyrazolo[1,5-c]quinazolin-5(6H)-one" [P]. US Patent, US 9756064 B2, 2017-05-11.
发明人郭海燕,罗永刚,朱建伟. "A Process for Preparing High-Purity 2-(4-Methoxyphenyl)pyrazolo[1,5-c]quinazolin-5(6H)-one" [P]. 中国发明专利, 专利号 CN 110295252 A, 授权公告日 2017-06-20.
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". Phytochemistry, 2015, 1854, (9), 6074-6080.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2021, 1729, 8248-8271.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Methoxyphenyl)pyrazolo[1,5-c]quinazolin-5(6H)-one Using HRMS and NMR". J. Agric. Food Chem., 2022, 848, 8721-8745.