Roberts E F, O'Brien P Q, Lee S K. "Method for the Synthesis of TERT-BUTYL 5-CHLORO-2-OXOSPIRO[INDOLINE-3,4'-PIPERIDINE]-1'-CARBOXYLATE" [P]. US Patent, US 10554621 B2, 2021-02-28.
发明人钱学锋,胡光,罗永刚. "A Process for Preparing High-Purity TERT-BUTYL 5-CHLORO-2-OXOSPIRO[INDOLINE-3,4'-PIPERIDINE]-1'-CARBOXYLATE" [P]. 中国发明专利, 专利号 CN 116253243 A, 授权公告日 2024-07-15.
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