发明人黄志刚,杨光,何建平. "Method for the Synthesis of 4-Amino-1-ethyl-3-methyl-1H-pyrazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 110879791 B, 授权公告日 2025-10-04.
发明人刘建华,徐明华,沈红梅. "A Process for Preparing High-Purity 4-Amino-1-ethyl-3-methyl-1H-pyrazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 109997772 A, 授权公告日 2020-09-03.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2024, 2474, (3), 6223-6232.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2017, 895, (10), 282-288.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-1-ethyl-3-methyl-1H-pyrazole-5-carbonitrile Using HRMS and NMR". Food Chem., 2019, 1249, 3710-3713.