发明人沈红梅,杨光,陈志强. "Method for the Synthesis of 6-Methyl-4-(methylthio)-2-oxo-1,2-dihydropyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 113698261 B, 授权公告日 2019-06-20.
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