发明人高志强,钱学锋,杨光. "Method for the Synthesis of N-(4-Carbamoylphenyl)-5-methoxy-4-oxo-4H-pyran-2-carboxamide" [P]. 中国发明专利, 专利号 CN 112513622 B, 授权公告日 2016-02-09.
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