发明人李文辉,沈红梅,杨光. "Method for the Synthesis of 2-Methyl-4-((5-nitrothiophen-2-yl)methylene)oxazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 113742410 B, 授权公告日 2018-03-01.
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