发明人钱学锋,郭海燕,沈红梅. "Method for the Synthesis of 3-Cyclopropoxy-N2,N4-dimethylpyridine-2,4-dicarboxamide" [P]. 中国发明专利, 专利号 CN 115274641 A, 授权公告日 2021-08-13.
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