发明人何建平,陈志强,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111177904 A, 授权公告日 2023-06-24.
发明人徐明华,郑宇鹏,孙丽萍. "Method for the Synthesis of 6-Chloro-2-ethyl-4-(trifluoromethyl)-2H-pyrazolo[3,4-b]pyridine" [P]. 中国发明专利, 专利号 CN 110967764 B, 授权公告日 2020-05-24.
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