发明人何建平,孙丽萍,韩伟. "一种羟苯并吗啉的合成方法" [P]. 中国发明专利, 专利号 CN 111185875 A, 授权公告日 2024-11-04.
发明人唐晓军,沈红梅,郭海燕. "Method for the Synthesis of 3,4-Dihydro-2H-benzo[b][1,4]oxazin-6-ol" [P]. 中国发明专利, 专利号 CN 112963507 A, 授权公告日 2021-01-13.
发明人陈志强,林芳,王建平. "A Process for Preparing High-Purity 3,4-Dihydro-2H-benzo[b][1,4]oxazin-6-ol" [P]. 中国发明专利, 专利号 CN 109038252 A, 授权公告日 2019-07-26.
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