2-Hydroxy-3-iodo-4-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Chloro-3-methoxy-6-nitro-5-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-4-hydroxy-2-methylpyridine-5-acetonitrile
2-Bromomethyl-4-chloro-6-fluoropyridine
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