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发明人沈红梅,刘建华,周伟. "Method for the Synthesis of Ethyl 7-(2-methoxy-2-oxoethyl)-4-(thiophene-2-sulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114637208 B, 授权公告日 2017-06-02.
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