Sørensen M, Mueller T C, Lefèvre J P. "Method for the Synthesis of Ethyl 3-amino-3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)propanoate oxalate" [P]. European Patent, EP 3387036 A1, 2016-08-21.
发明人张德明,高志强,沈红梅. "A Process for Preparing High-Purity Ethyl 3-amino-3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)propanoate oxalate" [P]. 中国发明专利, 专利号 CN 115459298 B, 授权公告日 2019-01-12.
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