发明人何建平,冯建国,徐明华. "Method for the Synthesis of Tert-butyl 3-iodo-2-methyl-6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate" [P]. 中国发明专利, 专利号 CN 115230950 A, 授权公告日 2017-12-14.
发明人赵玉洁,唐晓军,李文辉. "A Process for Preparing High-Purity Tert-butyl 3-iodo-2-methyl-6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate" [P]. 中国发明专利, 专利号 CN 108444829 B, 授权公告日 2016-01-02.
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