发明人黄志刚,冯建国,赵玉洁. "Method for the Synthesis of 1-[trans-7-[4-(trifluoromethoxy)phenyl]-2-oxaspiro[3.3]heptan-6-yl]ethanone" [P]. 中国发明专利, 专利号 CN 111188369 A, 授权公告日 2021-11-22.
发明人朱建伟,马晓峰,黄志刚. "A Process for Preparing High-Purity 1-[trans-7-[4-(trifluoromethoxy)phenyl]-2-oxaspiro[3.3]heptan-6-yl]ethanone" [P]. 中国发明专利, 专利号 CN 110209381 B, 授权公告日 2018-12-03.
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