发明人林芳,周伟,王建平. "Method for the Synthesis of 2-Benzyl-2,7-diaza-spiro[3.5]nonane dihydrochloride" [P]. 中国发明专利, 专利号 CN 109186024 B, 授权公告日 2020-11-06.
发明人唐晓军,陈志强,马晓峰. "A Process for Preparing High-Purity 2-Benzyl-2,7-diaza-spiro[3.5]nonane dihydrochloride" [P]. 中国发明专利, 专利号 CN 108972574 A, 授权公告日 2023-06-28.
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