6-(Fluoromethyl)-2-hydroxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
2-(Fluoromethyl)-6-hydroxy-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
3-Iodo-2-methyl-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
2-Iodo-6-methyl-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine