发明人郭海燕,郑宇鹏,刘建华. "Method for the Synthesis of 3-(Methylamino)-N,3-dimethyl-butanamide" [P]. 中国发明专利, 专利号 CN 108560886 B, 授权公告日 2019-03-11.
发明人郭海燕,王建平,沈红梅. "A Process for Preparing High-Purity 3-(Methylamino)-N,3-dimethyl-butanamide" [P]. 中国发明专利, 专利号 CN 114559782 B, 授权公告日 2024-07-19.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2013, 505, (8), 1317-1333.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2011, 353, 9262-9266.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Methylamino)-N,3-dimethyl-butanamide Using HRMS and NMR". J. Chromatogr. A, 2023, 1273, (4), 3398-3414.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2025, 604, 2850-2865.