发明人王建平,陈志强,赵玉洁. "Method for the Synthesis of 2-Azaspiro[4.4]Nonan-7-ol hydrochloride" [P]. 中国发明专利, 专利号 CN 115204829 B, 授权公告日 2016-10-10.
发明人韩伟,徐明华,郑宇鹏. "A Process for Preparing High-Purity 2-Azaspiro[4.4]Nonan-7-ol hydrochloride" [P]. 中国发明专利, 专利号 CN 112424211 A, 授权公告日 2020-09-22.
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