发明人李文辉,张德明,郭海燕. "Method for the Synthesis of 77314-78-4
2-(Butylamino)pyridine-4-carboxylic acid
DTXSID20542336" [P]. 中国发明专利, 专利号 CN 113910682 A, 授权公告日 2022-05-11.
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