发明人王建平,赵玉洁,郭海燕. "Method for the Synthesis of 5-Amino-2-(4-methoxyanilino)benzenesulfonic acid" [P]. 中国发明专利, 专利号 CN 110692749 B, 授权公告日 2025-01-03.
发明人张德明,朱建伟,何建平. "A Process for Preparing High-Purity 5-Amino-2-(4-methoxyanilino)benzenesulfonic acid" [P]. 中国发明专利, 专利号 CN 117291511 A, 授权公告日 2019-05-12.
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