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