发明人郑宇鹏,刘建华,杨光. "Method for the Synthesis of 7-(piperazin-1-yl)benzo[d]oxazol-2(3H)-one" [P]. 中国发明专利, 专利号 CN 108943086 A, 授权公告日 2024-02-06.
发明人杨光,马晓峰,郭海燕. "A Process for Preparing High-Purity 7-(piperazin-1-yl)benzo[d]oxazol-2(3H)-one" [P]. 中国发明专利, 专利号 CN 115062692 B, 授权公告日 2021-10-12.
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