发明人赵玉洁,李文辉,何建平. "Method for the Synthesis of Ethyl 6-(4-Iodophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110079674 A, 授权公告日 2015-09-10.
发明人何建平,钱学锋,李文辉. "A Process for Preparing High-Purity Ethyl 6-(4-Iodophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110921132 B, 授权公告日 2019-04-04.
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