发明人高志强,孙丽萍,刘建华. "Method for the Synthesis of L-(+)-N-[p-[[(2-Amino-7,8-dihydro-4-hydroxy-6-pteridinyl)methyl]nitrosamino]benzoyl]-glutamic Acid" [P]. 中国发明专利, 专利号 CN 108506111 B, 授权公告日 2024-07-28.
发明人郑宇鹏,王建平,冯建国. "A Process for Preparing High-Purity L-(+)-N-[p-[[(2-Amino-7,8-dihydro-4-hydroxy-6-pteridinyl)methyl]nitrosamino]benzoyl]-glutamic Acid" [P]. 中国发明专利, 专利号 CN 113043397 B, 授权公告日 2015-07-13.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2016, 1209, (5), 9170-9175.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2019, 1436, (9), 5482-5504.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of L-(+)-N-[p-[[(2-Amino-7,8-dihydro-4-hydroxy-6-pteridinyl)methyl]nitrosamino]benzoyl]-glutamic Acid Using HRMS and NMR". J. Chromatogr. A, 2023, 170, 6709-6715.