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发明人马晓峰,林芳,郑宇鹏. "Method for the Synthesis of 1-[(ethylamino)carbonyl]octahydro-1H-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110335897 B, 授权公告日 2019-10-11.
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