Methyl 3-methyl-2-nitro-6-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 2-(difluoromethyl)-5-methoxy-6-(trifluoromethoxy)pyridine-3-carboxylate
4-(Difluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
5-(Difluoromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylic acid