发明人刘建华,高志强,朱建伟. "Method for the Synthesis of (5R)-2,7-diazaspiro[4.4]nonan-1-one;hydrochloride" [P]. 中国发明专利, 专利号 CN 116661100 B, 授权公告日 2024-05-06.
Stevens L M, Patel M V, Thompson G K. "A Process for Preparing High-Purity (5R)-2,7-diazaspiro[4.4]nonan-1-one;hydrochloride" [P]. US Patent, US 9310611 B2, 2024-06-11.
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