发明人郑宇鹏,沈红梅,赵玉洁. "Method for the Synthesis of 6'-Methoxyspiro[cyclopropane-1,3'-indolin]-2'-one" [P]. 中国发明专利, 专利号 CN 113019878 A, 授权公告日 2015-04-04.
发明人赵玉洁,王建平,冯建国. "A Process for Preparing High-Purity 6'-Methoxyspiro[cyclopropane-1,3'-indolin]-2'-one" [P]. 中国发明专利, 专利号 CN 113624080 B, 授权公告日 2018-08-20.
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