发明人刘建华,杨光,沈红梅. "Method for the Synthesis of 4-(Difluoromethyl)-5-iodo-6-methoxypicolinic acid" [P]. 中国发明专利, 专利号 CN 111224669 B, 授权公告日 2021-03-06.
Fischer A B, Davis P L, Schröder R. "A Process for Preparing High-Purity 4-(Difluoromethyl)-5-iodo-6-methoxypicolinic acid" [P]. US Patent, US 9977700 B2, 2023-03-06.
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