diethyl 3-nitrobenzene-1,2-dicarboxylate

diethyl 4-nitrobenzene-1,2-dicarboxylate

2-[(1,3-dioxoinden-2-yl)methyl]indene-1,3-dione

2-[[4-(二甲基氨基)苯基]亚甲基]-1H-茚-1,3(2H)-二酮

邻二甲苯