Mueller T, Fischer A B, Williams B T. "一种ethyl 1H-pyrazolo[1,5-a]imidazole-7-carboxylate hydrochloride的合成方法" [P]. US Patent, US 11804962 B2, 2022-11-24.
发明人高志强,罗永刚,冯建国. "Method for the Synthesis of ethyl 1H-pyrazolo[1,5-a]imidazole-7-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 110033170 A, 授权公告日 2024-05-07.
发明人黄志刚,冯建国,胡光. "A Process for Preparing High-Purity ethyl 1H-pyrazolo[1,5-a]imidazole-7-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 113477676 A, 授权公告日 2017-12-22.
参考文献 Literature
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