发明人杨光,沈红梅,赵玉洁. "Method for the Synthesis of 2-(3,4-Dichlorophenyl)-3-thioxohexahydroimidazo[1,5-a]pyridin-1(5H)-one" [P]. 中国发明专利, 专利号 CN 115236791 A, 授权公告日 2017-08-18.
发明人杨光,钱学锋,王建平. "A Process for Preparing High-Purity 2-(3,4-Dichlorophenyl)-3-thioxohexahydroimidazo[1,5-a]pyridin-1(5H)-one" [P]. 中国发明专利, 专利号 CN 109279920 B, 授权公告日 2021-05-18.
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