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发明人周伟,郭海燕,何建平. "A Process for Preparing High-Purity tert-Butyl 3-(4-oxo-3,4,5,6,7,8-hexahydropyrido[3,4-d]pyrimidin-2-yl)benzylcarbamate" [P]. 中国发明专利, 专利号 CN 117097260 B, 授权公告日 2016-06-02.
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