发明人李文辉,郭海燕,罗永刚. "Method for the Synthesis of Ethyl 5-(pyridin-2-yl)-4H-1,2,4-triazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113850523 B, 授权公告日 2018-02-21.
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