发明人徐明华,刘建华,陈志强. "Method for the Synthesis of 3-((4-Amino-3-methoxyphenyl)diazenyl)benzenesulfonic acid" [P]. 中国发明专利, 专利号 CN 108218367 A, 授权公告日 2022-02-15.
发明人唐晓军,孙丽萍,郑宇鹏. "A Process for Preparing High-Purity 3-((4-Amino-3-methoxyphenyl)diazenyl)benzenesulfonic acid" [P]. 中国发明专利, 专利号 CN 109320722 A, 授权公告日 2025-12-23.
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