2-(Difluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine-6-carboxylic acid
2-(Difluoromethyl)-3-nitro-4-(trifluoromethoxy)pyridine-5-carboxylic acid
Ethyl 3-(fluoromethyl)-5-methoxy-2-(trifluoromethoxy)pyridine-6-carboxylate
3-(Difluoromethyl)-6-nitro-4-(trifluoromethoxy)pyridine-2-carboxaldehyde