发明人马晓峰,周伟,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115839724 A, 授权公告日 2018-02-16.
发明人林芳,钱学锋,冯建国. "Method for the Synthesis of 2-Amino-4-(3-bromo-4-fluorophenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 108222646 B, 授权公告日 2024-08-13.
发明人赵玉洁,郭海燕,罗永刚. "A Process for Preparing High-Purity 2-Amino-4-(3-bromo-4-fluorophenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 115450994 A, 授权公告日 2015-11-12.
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