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