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发明人韩伟,郭海燕,马晓峰. "Method for the Synthesis of 1-Benzyl 8-tert-butyl 3-oxo-1,4,8-triazaspiro[5.5]undecane-1,8-dicarboxylate" [P]. 中国发明专利, 专利号 CN 113612532 B, 授权公告日 2018-04-04.
发明人韩伟,徐明华,赵玉洁. "A Process for Preparing High-Purity 1-Benzyl 8-tert-butyl 3-oxo-1,4,8-triazaspiro[5.5]undecane-1,8-dicarboxylate" [P]. 中国发明专利, 专利号 CN 111887618 B, 授权公告日 2025-06-06.
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