Yamamoto T, Anderson J P, Park J H. "一种的合成方法" [P]. US Patent, US 9169219 B2, 2025-03-12.
Jørgensen K, Nowak P, Johansson L. "Method for the Synthesis of 6-Amino-4-(2-hydroxynaphthalen-1-yl)-3-methyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile" [P]. European Patent, EP 3118997 A1, 2019-05-01.
发明人罗永刚,黄志刚,郭海燕. "A Process for Preparing High-Purity 6-Amino-4-(2-hydroxynaphthalen-1-yl)-3-methyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 110113677 A, 授权公告日 2023-07-13.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2021, 267, (9), 8668-8680.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2011, 1301, 6798-6802.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 6-Amino-4-(2-hydroxynaphthalen-1-yl)-3-methyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile Using HRMS and NMR". Anal. Chem., 2022, 727, (11), 9679-9685.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2010, 636, (8), 9333-9343.