发明人孙丽萍,朱建伟,陈志强. "Method for the Synthesis of 4-((Benzyloxy)carbonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115409517 A, 授权公告日 2020-06-05.
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