发明人孙丽萍,郑宇鹏,唐晓军. "一种3-苯偶氮基-2,6-二氨基吡啶单盐酸盐的合成方法" [P]. 中国发明专利, 专利号 CN 110995478 A, 授权公告日 2017-03-20.
发明人罗永刚,林芳,李文辉. "Method for the Synthesis of 3-Phenylazo-2,6-Diaminopyridine Monohydrochloride" [P]. 中国发明专利, 专利号 CN 109259572 A, 授权公告日 2019-03-21.
发明人冯建国,周伟,何建平. "A Process for Preparing High-Purity 3-Phenylazo-2,6-Diaminopyridine Monohydrochloride" [P]. 中国发明专利, 专利号 CN 116377564 A, 授权公告日 2023-04-25.
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