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发明人杨光,郑宇鹏,韩伟. "Method for the Synthesis of Ethyl 5-(2-aminoethyl)-1,2,4-oxadiazole-3-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 111832571 B, 授权公告日 2016-10-25.
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