发明人赵玉洁,林芳,周伟. "Method for the Synthesis of N-(m-Tolyl)-2H-chromene-3-carboxamide" [P]. 中国发明专利, 专利号 CN 109527357 A, 授权公告日 2019-06-21.
发明人郑宇鹏,刘建华,郭海燕. "A Process for Preparing High-Purity N-(m-Tolyl)-2H-chromene-3-carboxamide" [P]. 中国发明专利, 专利号 CN 114132146 B, 授权公告日 2023-08-25.
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