发明人张德明,郭海燕,王建平. "Method for the Synthesis of 3-(Piperazin-1-yl)benzoic Acid" [P]. 中国发明专利, 专利号 CN 108632365 B, 授权公告日 2020-03-19.
发明人孙丽萍,胡光,王建平. "A Process for Preparing High-Purity 3-(Piperazin-1-yl)benzoic Acid" [P]. 中国发明专利, 专利号 CN 116569149 B, 授权公告日 2019-09-16.
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