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发明人唐晓军,何建平,郭海燕. "Method for the Synthesis of 2-Benzyl 7-(tert-butyl) 4-(hydroxymethyl)-2,7-diazaspiro[4.4]Nonane-2,7-dicarboxylate" [P]. 中国发明专利, 专利号 CN 110892397 B, 授权公告日 2021-06-03.
发明人高志强,朱建伟,郑宇鹏. "A Process for Preparing High-Purity 2-Benzyl 7-(tert-butyl) 4-(hydroxymethyl)-2,7-diazaspiro[4.4]Nonane-2,7-dicarboxylate" [P]. 中国发明专利, 专利号 CN 113009282 A, 授权公告日 2022-09-05.
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