发明人王建平,郭海燕,胡光. "Method for the Synthesis of Ethyl 2-(6-(4-chlorophenyl)-3-cyano-2-oxopyridin-1(2H)-yl)acetate" [P]. 中国发明专利, 专利号 CN 116466390 B, 授权公告日 2018-12-23.
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