发明人李文辉,徐明华,林芳. "一种3-溴-7-甲基吡唑并[1,5-a]嘧啶-5-甲酸乙酯的合成方法" [P]. 中国发明专利, 专利号 CN 113042038 A, 授权公告日 2016-09-02.
发明人郑宇鹏,孙丽萍,罗永刚. "Method for the Synthesis of Ethyl 3-Bromo-7-methylpyrazolo[1,5-a]pyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 116000370 A, 授权公告日 2016-02-03.
发明人孙丽萍,胡光,唐晓军. "A Process for Preparing High-Purity Ethyl 3-Bromo-7-methylpyrazolo[1,5-a]pyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 108816804 A, 授权公告日 2023-09-13.
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