发明人杨光,唐晓军,何建平. "Method for the Synthesis of 4-(Cyclopropyl(methyl)amino)picolinic acid" [P]. 中国发明专利, 专利号 CN 117696222 B, 授权公告日 2024-07-20.
发明人钱学锋,刘建华,高志强. "A Process for Preparing High-Purity 4-(Cyclopropyl(methyl)amino)picolinic acid" [P]. 中国发明专利, 专利号 CN 108172213 A, 授权公告日 2019-01-10.
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