Ethyl 3-amino-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-carboxylate
2-Amino-5-methoxy-3-nitro-4-(trifluoromethoxy)pyridine
Ethyl 2-amino-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylate
3-Amino-2-(chloromethyl)-5-(trifluoromethoxy)pyridine-4-acetic acid