O'Brien P Q, Roberts E F, Chen K W. "一种的合成方法" [P]. US Patent, US 11827429 B2, 2018-04-25.
发明人张德明,王建平,徐明华. "Method for the Synthesis of 4-(Difluoromethyl)-3-hydroxy-6-methoxypicolinoyl chloride" [P]. 中国发明专利, 专利号 CN 112888835 B, 授权公告日 2024-08-03.
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