5-Amino-2-(difluoromethyl)-3-nitro-6-(trifluoromethoxy)pyridine
4-Amino-3-(difluoromethyl)-6-nitro-2-(trifluoromethoxy)pyridine
3-Amino-2-iodo-4-methyl-6-(trifluoromethoxy)pyridine
Methyl 2-amino-6-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate