发明人罗永刚,冯建国,胡光. "Method for the Synthesis of 2-Methyl-6-nitro-3,4-dihydro-2H-1,4-benzoxazine" [P]. 中国发明专利, 专利号 CN 114585115 A, 授权公告日 2021-02-17.
发明人李文辉,朱建伟,黄志刚. "A Process for Preparing High-Purity 2-Methyl-6-nitro-3,4-dihydro-2H-1,4-benzoxazine" [P]. 中国发明专利, 专利号 CN 109856967 B, 授权公告日 2021-02-10.
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