4,6-Dichloro-3-(trifluoromethoxy)pyridine-2-sulfonamide
6-(Chloromethyl)-4-(difluoromethyl)-2-methyl-3-(trifluoromethoxy)pyridine
2,4-Dichloro-3-(trifluoromethoxy)pyridine-5-sulfonamide
2-(Chloromethyl)-4-(difluoromethyl)-5-methyl-3-(trifluoromethoxy)pyridine