发明人何建平,沈红梅,陈志强. "Method for the Synthesis of p-Guanidinobenzenesulfonic Acid" [P]. 中国发明专利, 专利号 CN 113588501 A, 授权公告日 2021-06-13.
发明人韩伟,朱建伟,李文辉. "A Process for Preparing High-Purity p-Guanidinobenzenesulfonic Acid" [P]. 中国发明专利, 专利号 CN 117062522 B, 授权公告日 2024-09-27.
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