发明人郑宇鹏,钱学锋,林芳. "Method for the Synthesis of 3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid hydrate" [P]. 中国发明专利, 专利号 CN 114027392 B, 授权公告日 2017-01-01.
发明人唐晓军,郭海燕,孙丽萍. "A Process for Preparing High-Purity 3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid hydrate" [P]. 中国发明专利, 专利号 CN 111624349 A, 授权公告日 2022-02-11.
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