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