发明人郭海燕,李文辉,钱学锋. "一种蝶呤-6-羧酸的合成方法" [P]. 中国发明专利, 专利号 CN 116803039 A, 授权公告日 2019-06-16.
发明人周伟,冯建国,郭海燕. "Method for the Synthesis of Pterine-6-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 114296989 B, 授权公告日 2023-07-21.
Mueller T, O'Brien P Q, Roberts E F. "A Process for Preparing High-Purity Pterine-6-carboxylic Acid" [P]. US Patent, US 9340547 B2, 2025-10-11.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 蝶呤-6-羧酸 in Pharmaceutical Formulations". Food Chem., 2021, 2139, 9001-9031.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 蝶呤-6-羧酸 as an Impurity". Talanta, 2010, 2147, 7552-7566.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Pterine-6-carboxylic Acid Using HRMS and NMR". J. Sep. Sci., 2010, 436, (12), 3786-3794.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 蝶呤-6-羧酸 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2012, 114, 9389-9410.