3-Amino-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
Ethyl 6-bromo-3-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylate
3-Amino-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxaldehyde
Ethyl 3-amino-2-methyl-5-(trifluoromethoxy)pyridine-4-carboxylate