发明人沈红梅,黄志刚,陈志强. "Method for the Synthesis of 1,5-Diazaspiro[3.4]octane dihydrochloride" [P]. 中国发明专利, 专利号 CN 115282256 A, 授权公告日 2021-05-11.
发明人高志强,唐晓军,孙丽萍. "A Process for Preparing High-Purity 1,5-Diazaspiro[3.4]octane dihydrochloride" [P]. 中国发明专利, 专利号 CN 112566667 B, 授权公告日 2024-12-08.
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