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发明人张德明,高志强,赵玉洁. "Method for the Synthesis of 4-(2-Amino-4-chlorophenyl)-2-piperazinone" [P]. 中国发明专利, 专利号 CN 113320067 B, 授权公告日 2016-01-26.
发明人郑宇鹏,何建平,郭海燕. "A Process for Preparing High-Purity 4-(2-Amino-4-chlorophenyl)-2-piperazinone" [P]. 中国发明专利, 专利号 CN 116256362 B, 授权公告日 2021-02-06.
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