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