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