发明人郑宇鹏,周伟,郭海燕. "Method for the Synthesis of 1-[2-(dimethylamino)ethyl]-1H-pyrazole-5-carboxylic acid dihydrochloride" [P]. 中国发明专利, 专利号 CN 108364473 A, 授权公告日 2019-07-07.
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