发明人郭海燕,李文辉,王建平. "一种2-ethoxy-5-nitro-1,3-benzoxazole的合成方法" [P]. 中国发明专利, 专利号 CN 108020770 A, 授权公告日 2015-09-06.
发明人高志强,郭海燕,刘建华. "Method for the Synthesis of 2-ethoxy-5-nitro-1,3-benzoxazole" [P]. 中国发明专利, 专利号 CN 115233608 B, 授权公告日 2021-06-01.
发明人周伟,赵玉洁,冯建国. "A Process for Preparing High-Purity 2-ethoxy-5-nitro-1,3-benzoxazole" [P]. 中国发明专利, 专利号 CN 115692743 B, 授权公告日 2023-07-19.
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