发明人林芳,李文辉,周伟. "Method for the Synthesis of 903157-29-9
1-(3,4-Dimethyl-2-phenyl-2H-pyrazolo[3,4-d]pyridazin-7-yl)piperidine-3-carboxylic acid
MFCD14281686" [P]. 中国发明专利, 专利号 CN 116668739 B, 授权公告日 2015-07-09.
Williams B T, Lee S K, Stevens L M. "A Process for Preparing High-Purity 903157-29-9
1-(3,4-Dimethyl-2-phenyl-2H-pyrazolo[3,4-d]pyridazin-7-yl)piperidine-3-carboxylic acid
MFCD14281686" [P]. US Patent, US 9100341 B2, 2024-04-15.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2013, 798, 3784-3788.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2010, 700, (4), 2203-2213.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 903157-29-9
1-(3,4-Dimethyl-2-phenyl-2H-pyrazolo[3,4-d]pyridazin-7-yl)piperidine-3-carboxylic acid
MFCD14281686 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2013, 1976, (3), 8104-8130.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2019, 1714, 616-638.