发明人朱建伟,郑宇鹏,马晓峰. "Method for the Synthesis of Ethyl (8-((4-sulfamoylbenzyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate" [P]. 中国发明专利, 专利号 CN 115993167 B, 授权公告日 2015-10-12.
发明人冯建国,沈红梅,何建平. "A Process for Preparing High-Purity Ethyl (8-((4-sulfamoylbenzyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate" [P]. 中国发明专利, 专利号 CN 110579995 A, 授权公告日 2023-11-22.
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