发明人徐明华,韩伟,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112502741 A, 授权公告日 2025-09-20.
发明人马晓峰,孙丽萍,郭海燕. "Method for the Synthesis of Ethyl 4-(5-oxo-3-propyl-4,5-dihydro-1h-pyrazol-1-yl)benzoate" [P]. 中国发明专利, 专利号 CN 115048619 B, 授权公告日 2018-09-12.
发明人杨光,唐晓军,赵玉洁. "A Process for Preparing High-Purity Ethyl 4-(5-oxo-3-propyl-4,5-dihydro-1h-pyrazol-1-yl)benzoate" [P]. 中国发明专利, 专利号 CN 116701516 A, 授权公告日 2017-05-09.
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