发明人王建平,李文辉,马晓峰. "Method for the Synthesis of tert-Butyl (R)-(2-(hydroxymethyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)carbamate" [P]. 中国发明专利, 专利号 CN 109983001 A, 授权公告日 2016-05-02.
发明人何建平,朱建伟,郑宇鹏. "A Process for Preparing High-Purity tert-Butyl (R)-(2-(hydroxymethyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)carbamate" [P]. 中国发明专利, 专利号 CN 109248540 A, 授权公告日 2016-08-16.
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