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