发明人罗永刚,刘建华,沈红梅. "Method for the Synthesis of N-(7-amino-2,3-dihydro-1,4-benzodioxin-6-yl)thiophene-2-carboxamide" [P]. 中国发明专利, 专利号 CN 108974305 A, 授权公告日 2021-05-19.
发明人胡光,韩伟,孙丽萍. "A Process for Preparing High-Purity N-(7-amino-2,3-dihydro-1,4-benzodioxin-6-yl)thiophene-2-carboxamide" [P]. 中国发明专利, 专利号 CN 110126715 B, 授权公告日 2024-09-15.
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