发明人钱学锋,罗永刚,高志强. "Method for the Synthesis of 1'-Methylspiro[piperidine-3,3'-pyrrolo[3,2-b]pyridin]-2'(1'H)-one dihydrochloride" [P]. 中国发明专利, 专利号 CN 116390386 B, 授权公告日 2020-03-09.
发明人朱建伟,李文辉,冯建国. "A Process for Preparing High-Purity 1'-Methylspiro[piperidine-3,3'-pyrrolo[3,2-b]pyridin]-2'(1'H)-one dihydrochloride" [P]. 中国发明专利, 专利号 CN 114046747 A, 授权公告日 2020-03-10.
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