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Yamamoto T, Hughes D C, Schröder R. "Method for the Synthesis of 6-Chloro-5-cyanonicotinic Acid" [P]. US Patent, US 10121553 B2, 2020-12-27.
发明人胡光,陈志强,周伟. "A Process for Preparing High-Purity 6-Chloro-5-cyanonicotinic Acid" [P]. 中国发明专利, 专利号 CN 115068940 B, 授权公告日 2023-05-12.
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