发明人何建平,郭海燕,刘建华. "一种亚甲基蓝杂质12-氯化物的合成方法" [P]. 中国发明专利, 专利号 CN 116844650 A, 授权公告日 2015-08-19.
发明人冯建国,赵玉洁,郑宇鹏. "Method for the Synthesis of Methylene Blue Impurity 12 Chloride" [P]. 中国发明专利, 专利号 CN 116437615 A, 授权公告日 2024-06-23.
Yamamoto T, Chen K W, Lee S K. "A Process for Preparing High-Purity Methylene Blue Impurity 12 Chloride" [P]. US Patent, US 10073285 B2, 2020-09-09.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 亚甲基蓝杂质12-氯化物 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2016, 1053, (6), 3616-3640.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 亚甲基蓝杂质12-氯化物 as an Impurity". Talanta, 2025, 1020, 449-474.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Methylene Blue Impurity 12 Chloride Using HRMS and NMR". Anal. Chim. Acta, 2024, 1214, (1), 5716-5743.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate 亚甲基蓝杂质12-氯化物 Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2017, 1974, (11), 9172-9197.