发明人周伟,沈红梅,杨光. "Method for the Synthesis of Methyl 3-(2-oxo-2H-chromene-3-carboxamido)thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117068622 B, 授权公告日 2017-10-23.
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