3-Amino-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-carboxylic acid
4-Bromo-2-(difluoromethyl)-5-iodo-3-(trifluoromethoxy)pyridine
Methyl 6-bromo-3-chloro-4-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 2-bromo-5-chloro-3-(trifluoromethoxy)pyridine-4-carboxylate