发明人钱学锋,郭海燕,林芳. "Method for the Synthesis of 1-(Difluoromethyl)-2-oxo-1,2-dihydropyridine-4-carbaldehyde" [P]. 中国发明专利, 专利号 CN 110967126 B, 授权公告日 2023-09-12.
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