发明人徐明华,郭海燕,钱学锋. "Method for the Synthesis of 3-Phenyl-1-oxa-3,8-diazaspiro[4.5]decan-2-one hydrochloride" [P]. 中国发明专利, 专利号 CN 117875846 B, 授权公告日 2022-11-14.
发明人王建平,周伟,胡光. "A Process for Preparing High-Purity 3-Phenyl-1-oxa-3,8-diazaspiro[4.5]decan-2-one hydrochloride" [P]. 中国发明专利, 专利号 CN 113635235 B, 授权公告日 2023-10-16.
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