2-Amino-5-nitro-6-(trifluoromethoxy)pyridine-3-acetonitrile
2-Amino-5-nitro-4-(trifluoromethoxy)pyridine-3-acetonitrile
2-Amino-5-fluoro-6-(trifluoromethoxy)pyridine-3-sulfonamide
6-Amino-4-nitro-2-(trifluoromethoxy)pyridine-3-acetonitrile
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