Methyl 3-amino-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-amino-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxylate
3-Amino-5-hydroxy-4-methoxy-2-(trifluoromethoxy)pyridine
6-Amino-3-nitro-2-(trifluoromethoxy)pyridine-4-carboxaldehyde