Methyl 4-amino-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate
4-Amino-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxylic acid
Ethyl 3-bromo-6-cyano-2-(trifluoromethoxy)pyridine-4-carboxylate
3-Amino-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylic acid