Williams B T, Davis P L, Park J H. "一种4-amino-1-ethyl-N-[(1-methyl-1H-pyrazol-4-yl)methyl]-1H-pyrazole-3-carboxamide,2HCl的合成方法" [P]. US Patent, US 11725249 B2, 2022-12-08.
Nowak P, Kowalski A, Rossi M. "Method for the Synthesis of 4-amino-1-ethyl-N-[(1-methyl-1H-pyrazol-4-yl)methyl]-1H-pyrazole-3-carboxamide,2HCl" [P]. European Patent, EP 3679913 A1, 2022-04-18.
发明人刘建华,赵玉洁,王建平. "A Process for Preparing High-Purity 4-amino-1-ethyl-N-[(1-methyl-1H-pyrazol-4-yl)methyl]-1H-pyrazole-3-carboxamide,2HCl" [P]. 中国发明专利, 专利号 CN 114214791 B, 授权公告日 2024-09-14.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 4-amino-1-ethyl-N-[(1-methyl-1H-pyrazol-4-yl)methyl]-1H-pyrazole-3-carboxamide,2HCl in Pharmaceutical Formulations". Chromatographia, 2016, 89, 1812-1823.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-amino-1-ethyl-N-[(1-methyl-1H-pyrazol-4-yl)methyl]-1H-pyrazole-3-carboxamide,2HCl as an Impurity". Phytochemistry, 2017, 620, 5179-5187.