英文名称
diethyl 2,5-bis(ethylcarbamoyl)benzene-1,4-dicarboxylate;diethyl 4,5-bis(ethylcarbamoyl)benzene-1,2-dicarboxylate;diethyl 4,6-bis(ethylcarbamoyl)benzene-1,3-dicarboxylate;ethyl 2,4,5-tris(ethylcarbamoyl)benzoate;1-N,2-N,4-N,5-N-tetraethylbenzene-1,2,4,5-tetracarboxamide