发明人冯建国,胡光,林芳. "Method for the Synthesis of tert-Butyl 7-hydroxy-2-oxospiro[indoline-3,4'-piperidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 112409107 B, 授权公告日 2020-05-21.
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