发明人徐明华,林芳,郭海燕. "Method for the Synthesis of 6-(4-Propylpiperazin-1-yl)nicotinic acid" [P]. 中国发明专利, 专利号 CN 117538038 B, 授权公告日 2021-12-28.
发明人钱学锋,高志强,林芳. "A Process for Preparing High-Purity 6-(4-Propylpiperazin-1-yl)nicotinic acid" [P]. 中国发明专利, 专利号 CN 110141467 B, 授权公告日 2023-02-11.
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