4-(Difluoromethyl)-3-nitro-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-Methyl-6-nitro-3-(trifluoromethoxy)pyridine-5-carbonyl chloride
Methyl 3-(difluoromethyl)-5-nitro-4-(trifluoromethoxy)pyridine-2-carboxylate
5-(Difluoromethyl)-3-nitro-4-(trifluoromethoxy)pyridine-2-acetic acid