发明人赵玉洁,刘建华,徐明华. "Method for the Synthesis of Potassium 2-(2,5-dimethyl-7-oxopyrazolo[1,5-a]pyrimidin-4(7h)-yl)acetate" [P]. 中国发明专利, 专利号 CN 108656577 A, 授权公告日 2023-08-17.
发明人唐晓军,罗永刚,郑宇鹏. "A Process for Preparing High-Purity Potassium 2-(2,5-dimethyl-7-oxopyrazolo[1,5-a]pyrimidin-4(7h)-yl)acetate" [P]. 中国发明专利, 专利号 CN 113431683 A, 授权公告日 2022-03-07.
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