4-Amino-3-nitro-2-(trifluoromethoxy)pyridine-6-acetonitrile
2-Cyano-5-(difluoromethyl)-6-hydroxy-3-methylpyridine
6-Amino-4-(chloromethyl)-3-(trifluoromethoxy)pyridine-2-acetic acid
2,5-Diamino-4-(trifluoromethoxy)pyridine-3-carboxamide
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