发明人陈志强,林芳,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113122873 A, 授权公告日 2022-11-26.
发明人钱学锋,韩伟,沈红梅. "Method for the Synthesis of 4-(2-(2-(3-(2-(3,3-Dimethyl-1-(4-sulfobutyl)indolin-2-ylidene)ethylidene)-2-(prop-2-yn-1-ylamino)cyclopent-1-en-1-yl)vinyl)-3,3-dimethyl-3H-indol-1-ium-1-yl)butane-1-sulfonate" [P]. 中国发明专利, 专利号 CN 113469992 A, 授权公告日 2022-09-07.
发明人胡光,徐明华,王建平. "A Process for Preparing High-Purity 4-(2-(2-(3-(2-(3,3-Dimethyl-1-(4-sulfobutyl)indolin-2-ylidene)ethylidene)-2-(prop-2-yn-1-ylamino)cyclopent-1-en-1-yl)vinyl)-3,3-dimethyl-3H-indol-1-ium-1-yl)butane-1-sulfonate" [P]. 中国发明专利, 专利号 CN 111932117 B, 授权公告日 2019-08-07.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2015, 1122, (11), 7373-7400.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2023, 651, (7), 3860-3880.