发明人罗永刚,郭海燕,郑宇鹏. "Method for the Synthesis of 2-(benzylamino)-2-(1-methyl-1H-pyrazol-5-yl)acetic acid dihydrochloride" [P]. 中国发明专利, 专利号 CN 110571878 A, 授权公告日 2022-01-13.
发明人何建平,唐晓军,罗永刚. "A Process for Preparing High-Purity 2-(benzylamino)-2-(1-methyl-1H-pyrazol-5-yl)acetic acid dihydrochloride" [P]. 中国发明专利, 专利号 CN 111443039 A, 授权公告日 2025-09-06.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 2-(benzylamino)-2-(1-methyl-1H-pyrazol-5-yl)acetic acid dihydrochloride in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2021, 1967, 2757-2763.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-(benzylamino)-2-(1-methyl-1H-pyrazol-5-yl)acetic acid dihydrochloride as an Impurity". J. Sep. Sci., 2013, 1171, 1569-1586.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 2-(benzylamino)-2-(1-methyl-1H-pyrazol-5-yl)acetic acid dihydrochloride Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2024, 1755, (12), 3977-3981.