发明人王建平,杨光,黄志刚. "Method for the Synthesis of (S)-1-Methyl-5-oxopyrrolidine-2-carbohydrazide" [P]. 中国发明专利, 专利号 CN 109241484 A, 授权公告日 2022-11-23.
发明人韩伟,王建平,何建平. "A Process for Preparing High-Purity (S)-1-Methyl-5-oxopyrrolidine-2-carbohydrazide" [P]. 中国发明专利, 专利号 CN 111630615 A, 授权公告日 2024-01-05.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2011, 189, (5), 2294-2313.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2011, 1404, (7), 8982-8996.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of (S)-1-Methyl-5-oxopyrrolidine-2-carbohydrazide Using HRMS and NMR". Environ. Sci. Technol., 2012, 2300, (11), 6316-6342.