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