发明人唐晓军,胡光,李文辉. "Method for the Synthesis of 3,4-Dihydro-2H-benzo[b][1,4]oxazine-7-carboxamide" [P]. 中国发明专利, 专利号 CN 113809845 A, 授权公告日 2015-11-17.
发明人钱学锋,郑宇鹏,林芳. "A Process for Preparing High-Purity 3,4-Dihydro-2H-benzo[b][1,4]oxazine-7-carboxamide" [P]. 中国发明专利, 专利号 CN 116321529 B, 授权公告日 2020-06-04.
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