发明人郭海燕,刘建华,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112163446 A, 授权公告日 2021-03-28.
发明人赵玉洁,高志强,钱学锋. "Method for the Synthesis of N1-Cyclopentyl-N2-(2-(dimethylamino)-2-(thiophen-3-yl)ethyl)oxalamide" [P]. 中国发明专利, 专利号 CN 116914110 B, 授权公告日 2025-09-03.
Anderson J P, Chen K W, Roberts E F. "A Process for Preparing High-Purity N1-Cyclopentyl-N2-(2-(dimethylamino)-2-(thiophen-3-yl)ethyl)oxalamide" [P]. US Patent, US 10506196 B2, 2021-05-05.
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". Anal. Chem., 2019, 2103, 8927-8955.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2011, 2146, (7), 6237-6240.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of N1-Cyclopentyl-N2-(2-(dimethylamino)-2-(thiophen-3-yl)ethyl)oxalamide Using HRMS and NMR". Sci. Total Environ., 2019, 2075, (4), 3444-3449.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2016, 305, (12), 7528-7549.