Fischer A B, Kumar R, Patel M V. "Method for the Synthesis of Folic Acid Dihydrate - Impurity B (Hydrochloride Salt)" [P]. US Patent, US 9137137 B2, 2025-07-01.
发明人王建平,何建平,黄志刚. "A Process for Preparing High-Purity Folic Acid Dihydrate - Impurity B (Hydrochloride Salt)" [P]. 中国发明专利, 专利号 CN 113323659 B, 授权公告日 2017-01-03.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2011, 2058, (9), 7731-7756.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2021, 1068, 78-86.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Folic Acid Dihydrate - Impurity B (Hydrochloride Salt) Using HRMS and NMR". J. Agric. Food Chem., 2022, 575, (5), 2105-2126.