发明人周伟,沈红梅,赵玉洁. "Method for the Synthesis of 4-Aminobenzoxazole-2(3H)-one" [P]. 中国发明专利, 专利号 CN 116001798 B, 授权公告日 2021-10-18.
发明人杨光,孙丽萍,朱建伟. "A Process for Preparing High-Purity 4-Aminobenzoxazole-2(3H)-one" [P]. 中国发明专利, 专利号 CN 110419016 A, 授权公告日 2020-09-26.
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