发明人赵玉洁,郑宇鹏,刘建华. "Method for the Synthesis of 5,6-Dichlorobenzo[d]oxazol-2(3H)-one" [P]. 中国发明专利, 专利号 CN 109506113 B, 授权公告日 2016-05-28.
发明人黄志刚,徐明华,赵玉洁. "A Process for Preparing High-Purity 5,6-Dichlorobenzo[d]oxazol-2(3H)-one" [P]. 中国发明专利, 专利号 CN 112206067 B, 授权公告日 2019-08-28.
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