发明人陈志强,周伟,王建平. "Method for the Synthesis of ethyl 7-(difluoromethyl)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 108040427 B, 授权公告日 2024-08-24.
发明人黄志刚,杨光,赵玉洁. "A Process for Preparing High-Purity ethyl 7-(difluoromethyl)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 110666946 B, 授权公告日 2024-07-07.
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