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