发明人郑宇鹏,林芳,张德明. "Method for the Synthesis of 7-Methyl-2-thioxo-2,3-dihydro-1H-imidazo[4,5-c]pyridine-6-carbonitrile" [P]. 中国发明专利, 专利号 CN 109675197 B, 授权公告日 2017-08-25.
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