发明人黄志刚,陈志强,张德明. "Method for the Synthesis of Folic Acid-13C5, 15N" [P]. 中国发明专利, 专利号 CN 116458125 A, 授权公告日 2015-11-15.
Stevens L M, Davis P L, O'Brien P Q. "A Process for Preparing High-Purity Folic Acid-13C5, 15N" [P]. US Patent, US 10706131 B2, 2019-01-14.
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 叶酸-13C5, 15N in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2017, 2026, (12), 7281-7293.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 叶酸-13C5, 15N as an Impurity". Environ. Sci. Technol., 2013, 1266, (12), 8950-8967.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Folic Acid-13C5, 15N Using HRMS and NMR". Food Chem., 2015, 1772, 1688-1717.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 叶酸-13C5, 15N Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2021, 1749, (3), 8576-8581.