发明人徐明华,马晓峰,何建平. "Method for the Synthesis of 8-Benzyl-1-thia-4,8-diazaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112274683 A, 授权公告日 2017-11-02.
发明人徐明华,钱学锋,赵玉洁. "A Process for Preparing High-Purity 8-Benzyl-1-thia-4,8-diazaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114583475 B, 授权公告日 2021-08-16.
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