Methyl 4-(bromomethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-acetate
3-(Difluoromethyl)-2-nitro-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
Methyl 3-(bromomethyl)-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-acetate
2-(Difluoromethyl)-5-nitro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride