发明人刘建华,周伟,唐晓军. "Method for the Synthesis of (2S)-2-amino-N-[1-(propan-2-yl)-1H-pyrazol-5-yl]butanamide dihydrochloride" [P]. 中国发明专利, 专利号 CN 110659894 A, 授权公告日 2015-06-23.
发明人胡光,林芳,马晓峰. "A Process for Preparing High-Purity (2S)-2-amino-N-[1-(propan-2-yl)-1H-pyrazol-5-yl]butanamide dihydrochloride" [P]. 中国发明专利, 专利号 CN 116930386 A, 授权公告日 2018-11-01.
参考文献 Literature
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Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of (2S)-2-amino-N-[1-(propan-2-yl)-1H-pyrazol-5-yl]butanamide dihydrochloride Using HRMS and NMR". Anal. Chim. Acta, 2022, 371, (6), 1499-1512.