发明人郭海燕,徐明华,韩伟. "Method for the Synthesis of 7-Bromo-2-(3-fluoro-4-methoxyphenyl)-5-methoxy-1,3-benzoxazole" [P]. 中国发明专利, 专利号 CN 113986237 A, 授权公告日 2019-05-10.
发明人赵玉洁,郭海燕,李文辉. "A Process for Preparing High-Purity 7-Bromo-2-(3-fluoro-4-methoxyphenyl)-5-methoxy-1,3-benzoxazole" [P]. 中国发明专利, 专利号 CN 114547861 B, 授权公告日 2022-03-01.
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