Methyl 3-methyl-4-nitro-6-(trifluoromethoxy)pyridine-2-acetate
2-(Difluoromethyl)-4-nitro-3-(trifluoromethoxy)pyridine-6-carboxylic acid
3-(Bromomethyl)-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-methanol
2-(Difluoromethyl)-3-nitro-6-(trifluoromethoxy)pyridine-4-carboxylic acid