发明人唐晓军,黄志刚,李文辉. "Method for the Synthesis of tert-Butyl 4-methoxy-2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 115218619 A, 授权公告日 2023-12-05.
发明人陈志强,罗永刚,林芳. "A Process for Preparing High-Purity tert-Butyl 4-methoxy-2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 111561264 B, 授权公告日 2023-03-13.
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