发明人林芳,唐晓军,黄志刚. "Method for the Synthesis of Ethyl 2-(6-nitrobenzo[d]oxazol-2-yl)acetate" [P]. 中国发明专利, 专利号 CN 112362860 B, 授权公告日 2016-06-14.
发明人韩伟,郭海燕,张德明. "A Process for Preparing High-Purity Ethyl 2-(6-nitrobenzo[d]oxazol-2-yl)acetate" [P]. 中国发明专利, 专利号 CN 110660509 A, 授权公告日 2025-04-19.
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