Patel M V, Chen K W, Hughes D C. "Method for the Synthesis of N-Methylpyrrolidine-1-carbothiohydrazide" [P]. US Patent, US 9409401 B2, 2018-01-15.
发明人陈志强,周伟,刘建华. "A Process for Preparing High-Purity N-Methylpyrrolidine-1-carbothiohydrazide" [P]. 中国发明专利, 专利号 CN 113238335 A, 授权公告日 2017-12-22.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". J. Sep. Sci., 2019, 958, (8), 1219-1233.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". Chromatographia, 2024, 310, (4), 430-448.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of N-Methylpyrrolidine-1-carbothiohydrazide Using HRMS and NMR". J. Agric. Food Chem., 2024, 1445, 5377-5381.