发明人钱学锋,赵玉洁,陈志强. "Method for the Synthesis of 4-(3,5-Dichloropyrazin-2-yl)bicyclo[2.2.1]Heptane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116911289 A, 授权公告日 2020-08-16.
发明人徐明华,钱学锋,李文辉. "A Process for Preparing High-Purity 4-(3,5-Dichloropyrazin-2-yl)bicyclo[2.2.1]Heptane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117863827 A, 授权公告日 2022-08-03.
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