发明人张德明,杨光,郭海燕. "Method for the Synthesis of 4-(4-(Trifluoromethyl)phenyl)dihydro-2h-pyran-2,6(3h)-dione" [P]. 中国发明专利, 专利号 CN 114394683 B, 授权公告日 2019-03-21.
发明人沈红梅,林芳,钱学锋. "A Process for Preparing High-Purity 4-(4-(Trifluoromethyl)phenyl)dihydro-2h-pyran-2,6(3h)-dione" [P]. 中国发明专利, 专利号 CN 108660157 A, 授权公告日 2024-10-17.
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