发明人徐明华,沈红梅,王建平. "Method for the Synthesis of 4-Chloro-2-(difluoromethyl)benzo[d]oxazole" [P]. 中国发明专利, 专利号 CN 111656801 A, 授权公告日 2024-11-16.
发明人徐明华,郑宇鹏,李文辉. "A Process for Preparing High-Purity 4-Chloro-2-(difluoromethyl)benzo[d]oxazole" [P]. 中国发明专利, 专利号 CN 110689503 B, 授权公告日 2018-08-16.
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