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Propanedinitrile,
[1,2-dihydro-1-[[(methylamino)carbonyl]oxy]-2-oxo-3H-indol-3-ylidene]-
CAS:39081-28-2
Formula:C13H8N4O3

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Pyridine, 3-[5-(2-nitrophenyl)-1,3,4-oxadiazol-2-yl]-
CAS:392727-96-7
Formula:C13H8N4O3

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1H-Pyrazolo[3,4-b]pyridine-3-carboxaldehyde, 5-nitro-1-phenyl-
CAS:88796-44-5
Formula:C13H8N4O3

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Pyridine, 3-[3-(4-nitrophenyl)-1,2,4-oxadiazol-5-yl]-
CAS:63318-69-4
Formula:C13H8N4O3

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6-Quinazolinecarboxylic acid, 1,4-dihydro-4-oxo-2-pyrazinyl-
CAS:63794-95-6
Formula:C13H8N4O3

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Methanone, (2-azido-5-nitrophenyl)phenyl-
CAS:53879-06-4
Formula:C13H8N4O3

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Pyridine, 2-[3-(4-nitrophenyl)-1,2,4-oxadiazol-5-yl]-
CAS:54608-98-9
Formula:C13H8N4O3

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Pyridine, 3-[5-(4-nitrophenyl)-1,3,4-oxadiazol-2-yl]-
CAS:56352-95-5
Formula:C13H8N4O3

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2-[5-(3-nitrophenyl)-1,2,4-oxadiazol-3-yl]pyridine
CAS:5799-85-9
Formula:C13H8N4O3

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Diazene, (4-isocyanatophenyl)(4-nitrophenyl)-
CAS:157190-96-0
Formula:C13H8N4O3