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