发明人徐明华,周伟,韩伟. "Method for the Synthesis of 6-(4-Formylpiperazin-1-yl)-2-methylnicotinic acid" [P]. 中国发明专利, 专利号 CN 114884923 A, 授权公告日 2023-04-06.
发明人刘建华,徐明华,林芳. "A Process for Preparing High-Purity 6-(4-Formylpiperazin-1-yl)-2-methylnicotinic acid" [P]. 中国发明专利, 专利号 CN 115823297 A, 授权公告日 2015-11-01.
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