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