3-Nitro-4-(trifluoromethoxy)pyridine-2-acetonitrile
3-Nitro-2-(trifluoromethoxy)pyridine-5-acetonitrile
6-Nitro-2-(trifluoromethoxy)pyridine-3-acetonitrile
2-Nitro-6-(trifluoromethoxy)pyridine-3-acetonitrile
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