Williams B T, Schröder R, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 11296937 B2, 2016-10-15.
Thompson G K, Schröder R, Patel M V. "Method for the Synthesis of 2'-Butoxy-2,6-Diamino-3,5'-Azopyridine" [P]. US Patent, US 11761431 B2, 2019-03-04.
发明人赵玉洁,沈红梅,刘建华. "A Process for Preparing High-Purity 2'-Butoxy-2,6-Diamino-3,5'-Azopyridine" [P]. 中国发明专利, 专利号 CN 117134721 B, 授权公告日 2019-11-11.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2019, 2055, 409-424.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2016, 1529, (11), 2951-2971.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2'-Butoxy-2,6-Diamino-3,5'-Azopyridine Using HRMS and NMR". Talanta, 2018, 2069, 8038-8065.