4-Bromo-3-(difluoromethyl)-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
4-Chloro-2-methoxy-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
3-Bromo-4-(difluoromethyl)-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
2-Chloro-4-methoxy-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine