发明人沈红梅,李文辉,林芳. "一种1,3-二甲基-5-氨基吡唑-4-甲醛的合成方法" [P]. 中国发明专利, 专利号 CN 109066566 A, 授权公告日 2022-03-11.
发明人郑宇鹏,唐晓军,罗永刚. "Method for the Synthesis of 5-Amino-1,3-dimethylpyrazole-4-carbaldehyde" [P]. 中国发明专利, 专利号 CN 112064184 A, 授权公告日 2024-02-11.
发明人钱学锋,郭海燕,王建平. "A Process for Preparing High-Purity 5-Amino-1,3-dimethylpyrazole-4-carbaldehyde" [P]. 中国发明专利, 专利号 CN 116112122 A, 授权公告日 2020-09-10.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 1,3-二甲基-5-氨基吡唑-4-甲醛 in Pharmaceutical Formulations". J. Nat. Prod., 2021, 205, 4353-4368.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1,3-二甲基-5-氨基吡唑-4-甲醛 as an Impurity". J. Pharm. Biomed. Anal., 2020, 287, (3), 3298-3302.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-1,3-dimethylpyrazole-4-carbaldehyde Using HRMS and NMR". Food Chem., 2018, 1996, (7), 7902-7912.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate 1,3-二甲基-5-氨基吡唑-4-甲醛 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2014, 996, (10), 8301-8321.