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发明人李文辉,周伟,韩伟. "Method for the Synthesis of 1,3-Diphenyl-1-(3-(phenylamino)-1,2,4-thiadiazol-5-yl)guanidine" [P]. 中国发明专利, 专利号 CN 117058782 B, 授权公告日 2020-06-12.
发明人李文辉,胡光,马晓峰. "A Process for Preparing High-Purity 1,3-Diphenyl-1-(3-(phenylamino)-1,2,4-thiadiazol-5-yl)guanidine" [P]. 中国发明专利, 专利号 CN 117077769 A, 授权公告日 2022-02-03.
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