发明人陈志强,唐晓军,马晓峰. "Method for the Synthesis of 2-Hydroxy-5-(thiophene-2-sulfonamido)benzoic acid" [P]. 中国发明专利, 专利号 CN 108150965 B, 授权公告日 2018-02-10.
发明人郭海燕,钱学锋,沈红梅. "A Process for Preparing High-Purity 2-Hydroxy-5-(thiophene-2-sulfonamido)benzoic acid" [P]. 中国发明专利, 专利号 CN 108702118 B, 授权公告日 2020-06-10.
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