Fischer A B, Mueller T, O'Brien P Q. "Method for the Synthesis of 4-{[(diaminomethylidene)amino]methyl}benzoic acid hydrochloride" [P]. US Patent, US 10718528 B2, 2022-07-16.
发明人钱学锋,刘建华,王建平. "A Process for Preparing High-Purity 4-{[(diaminomethylidene)amino]methyl}benzoic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 116147395 B, 授权公告日 2020-08-01.
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 4-{[(diaminomethylidene)amino]methyl}benzoic acid hydrochloride in Pharmaceutical Formulations". J. Nat. Prod., 2018, 149, (6), 8854-8871.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-{[(diaminomethylidene)amino]methyl}benzoic acid hydrochloride as an Impurity". Talanta, 2021, 687, 8178-8199.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 4-{[(diaminomethylidene)amino]methyl}benzoic acid hydrochloride Using HRMS and NMR". J. Chromatogr. A, 2011, 1357, (9), 2517-2545.