2-(Chloromethyl)-6-(difluoromethyl)-5-(trifluoromethyl)pyridine-3-sulfonamide
2-(Chloromethyl)-3-(difluoromethyl)-4-(trifluoromethyl)pyridine-6-sulfonamide
Methyl 5-(chloromethyl)-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-acetate
Methyl 4-(chloromethyl)-5-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-acetate