发明人孙丽萍,黄志刚,高志强. "Method for the Synthesis of 2-Chloro-N-((5-chloro-2-hydroxybenzo[d]oxazol-6-yl)methyl)acetamide" [P]. 中国发明专利, 专利号 CN 108931766 A, 授权公告日 2019-03-13.
发明人王建平,韩伟,张德明. "A Process for Preparing High-Purity 2-Chloro-N-((5-chloro-2-hydroxybenzo[d]oxazol-6-yl)methyl)acetamide" [P]. 中国发明专利, 专利号 CN 113615854 B, 授权公告日 2021-05-26.
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