发明人赵玉洁,刘建华,何建平. "Method for the Synthesis of 8-Amino-4-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 112729967 B, 授权公告日 2019-02-03.
发明人周伟,张德明,韩伟. "A Process for Preparing High-Purity 8-Amino-4-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 113694668 B, 授权公告日 2022-03-05.
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