发明人胡光,林芳,郭海燕. "Method for the Synthesis of 2-[2-(3-nitrophenyl)-2-oxoethoxy]-5-(trifluoromethyl)pyridinium-1-olate" [P]. 中国发明专利, 专利号 CN 116028350 B, 授权公告日 2024-04-17.
发明人徐明华,高志强,胡光. "A Process for Preparing High-Purity 2-[2-(3-nitrophenyl)-2-oxoethoxy]-5-(trifluoromethyl)pyridinium-1-olate" [P]. 中国发明专利, 专利号 CN 114906073 A, 授权公告日 2020-07-07.
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