1-乙基-3(3-二甲基氨基)脲

3-(4-硝基苯基)-5-(三氯甲基)-1,2,4-恶二唑

[[amino-(4-nitrophenyl)methylidene]amino] benzoate

5-(1H-indol-3-ylmethyl)-3-(4-nitrophenyl)-1,2,4-oxadiazole

5-indol-3-ylidene-3-(4-nitrophenyl)-2H-1,2,4-oxadiazole