发明人赵玉洁,钱学锋,林芳. "Method for the Synthesis of Ethyl 7-hydroxy-2-methyl-3-[3-(trifluoromethyl)phenyl]pyrazolo[1,5-a]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 115904898 A, 授权公告日 2023-02-28.
Nowak P, Kowalski A, Björnsson E. "A Process for Preparing High-Purity Ethyl 7-hydroxy-2-methyl-3-[3-(trifluoromethyl)phenyl]pyrazolo[1,5-a]pyrimidine-6-carboxylate" [P]. European Patent, EP 3502710 A1, 2022-10-23.
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