发明人高志强,郭海燕,何建平. "Method for the Synthesis of 7-(4-Bromo-2-fluorophenyl)-5,8-diazaspiro[3.4]octan-6-one" [P]. 中国发明专利, 专利号 CN 111689330 B, 授权公告日 2022-05-11.
发明人郑宇鹏,冯建国,张德明. "A Process for Preparing High-Purity 7-(4-Bromo-2-fluorophenyl)-5,8-diazaspiro[3.4]octan-6-one" [P]. 中国发明专利, 专利号 CN 117657122 B, 授权公告日 2025-06-19.
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