发明人何建平,唐晓军,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116900775 A, 授权公告日 2023-05-22.
发明人周伟,徐明华,郭海燕. "Method for the Synthesis of 5-Amino-1-cyclobutyl-1h-pyrazole-4-carboxamide" [P]. 中国发明专利, 专利号 CN 116790037 B, 授权公告日 2015-02-02.
发明人朱建伟,刘建华,张德明. "A Process for Preparing High-Purity 5-Amino-1-cyclobutyl-1h-pyrazole-4-carboxamide" [P]. 中国发明专利, 专利号 CN 116960175 A, 授权公告日 2021-04-27.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2017, 1101, (7), 4863-4876.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2012, 2424, (9), 9172-9200.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-1-cyclobutyl-1h-pyrazole-4-carboxamide Using HRMS and NMR". J. Agric. Food Chem., 2021, 709, (8), 9362-9383.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2012, 1052, (3), 3199-3216.