Chen K W, Johnson M A, Davis P L. "一种的合成方法" [P]. US Patent, US 11898576 B2, 2021-06-25.
发明人刘建华,王建平,马晓峰. "Method for the Synthesis of N-(3-cyano-5-(diethylcarbamoyl)-4-methylthiophen-2-yl)-2-oxo-2H-chromene-3-carboxamide" [P]. 中国发明专利, 专利号 CN 108354803 B, 授权公告日 2022-11-14.
发明人周伟,王建平,韩伟. "A Process for Preparing High-Purity N-(3-cyano-5-(diethylcarbamoyl)-4-methylthiophen-2-yl)-2-oxo-2H-chromene-3-carboxamide" [P]. 中国发明专利, 专利号 CN 113378495 B, 授权公告日 2023-09-02.
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