发明人钱学锋,李文辉,王建平. "Method for the Synthesis of Methyl 1-(4-methoxyphenyl)-3,6-dimethyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 112013885 A, 授权公告日 2022-03-13.
发明人徐明华,何建平,张德明. "A Process for Preparing High-Purity Methyl 1-(4-methoxyphenyl)-3,6-dimethyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 112053526 A, 授权公告日 2018-06-07.
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