4-Amino-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetonitrile
3-Amino-2-methyl-6-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Bromo-4-chloro-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
5-Amino-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetonitrile