发明人胡光,朱建伟,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108813873 A, 授权公告日 2017-01-19.
发明人黄志刚,唐晓军,杨光. "Method for the Synthesis of 4-(6-Chloropyridine-3-carbonyl)-3-methyl-3,4-dihydro-2H-1,4-benzoxazine" [P]. 中国发明专利, 专利号 CN 109070816 A, 授权公告日 2018-07-05.
发明人冯建国,郭海燕,赵玉洁. "A Process for Preparing High-Purity 4-(6-Chloropyridine-3-carbonyl)-3-methyl-3,4-dihydro-2H-1,4-benzoxazine" [P]. 中国发明专利, 专利号 CN 110961206 B, 授权公告日 2025-06-18.
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