发明人孙丽萍,马晓峰,朱建伟. "Method for the Synthesis of (6R)-4-tert-butoxycarbonyl-1,4-oxazepane-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114695630 A, 授权公告日 2023-05-03.
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