Ethyl 2-amino-3-iodo-4-(trifluoromethoxy)pyridine-6-carboxylate
6-Amino-2-(chloromethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine
Methyl 3-amino-6-iodo-2-(trifluoromethoxy)pyridine-5-carboxylate
2-Amino-6-(fluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine