发明人杨光,郑宇鹏,钱学锋. "一种7-氯-2-氧代螺[二氢吲哚-3,3'-吡咯烷]-1'-羧酸叔丁酯的合成方法" [P]. 中国发明专利, 专利号 CN 114385901 A, 授权公告日 2018-04-03.
发明人郭海燕,唐晓军,杨光. "Method for the Synthesis of tert-Butyl 7-chloro-2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 117470300 A, 授权公告日 2016-02-05.
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