发明人徐明华,周伟,高志强. "Method for the Synthesis of 1-Benzyl-6-ethyl-3-methyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110986349 B, 授权公告日 2015-12-19.
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