发明人唐晓军,孙丽萍,胡光. "Method for the Synthesis of 5-Ethyl-3-oxo-2-phenyl-3,5-dihydro-2h-pyrazolo[4,3-c]pyridine-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108944122 A, 授权公告日 2023-05-03.
发明人胡光,韩伟,杨光. "A Process for Preparing High-Purity 5-Ethyl-3-oxo-2-phenyl-3,5-dihydro-2h-pyrazolo[4,3-c]pyridine-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114075034 B, 授权公告日 2022-03-19.
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