Ethyl 4-methyl-6-nitro-2-(trifluoromethoxy)pyridine-3-acetate
2-(Difluoromethyl)-3-nitro-6-(trifluoromethoxy)pyridine-5-carboxylic acid
3-(Difluoromethyl)-6-nitro-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
Ethyl 3-methyl-5-nitro-4-(trifluoromethoxy)pyridine-2-acetate