发明人冯建国,胡光,刘建华. "Method for the Synthesis of tert-Butyl 7'-oxo-6',7'-dihydrospiro[azetidine-3,5'-pyrrolo[1,2-b][1,2,4]triazole]-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111099763 A, 授权公告日 2018-02-25.
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