2-(Difluoromethyl)-3-hydroxy-6-methylpyridine-5-acetonitrile
2-Methoxy-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-(Fluoromethyl)-2-iodo-5-(trifluoromethoxy)pyridine-3-carboxylic acid
3-(Chloromethyl)-2-(difluoromethyl)-6-methyl-5-(trifluoromethoxy)pyridine