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