发明人罗永刚,何建平,朱建伟. "一种7-氟-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 111536899 A, 授权公告日 2019-07-05.
发明人罗永刚,林芳,王建平. "Method for the Synthesis of tert-Butyl 7-fluoro-2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 112185694 A, 授权公告日 2015-11-17.
发明人胡光,郭海燕,周伟. "A Process for Preparing High-Purity tert-Butyl 7-fluoro-2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 112622009 B, 授权公告日 2024-12-25.
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