发明人周伟,朱建伟,杨光. "Method for the Synthesis of Ethyl 2-oxo-6-(trifluoromethyl)-3-(3-(trifluoromethyl)benzamido)-2H-pyran-5-carboxylate" [P]. 中国发明专利, 专利号 CN 115163853 B, 授权公告日 2017-09-21.
发明人何建平,李文辉,孙丽萍. "A Process for Preparing High-Purity Ethyl 2-oxo-6-(trifluoromethyl)-3-(3-(trifluoromethyl)benzamido)-2H-pyran-5-carboxylate" [P]. 中国发明专利, 专利号 CN 116415676 B, 授权公告日 2025-08-26.
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