3-(Difluoromethyl)-2-methyl-5-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-(Difluoromethyl)-2-methyl-4-(trifluoromethoxy)pyridine-5-carboxaldehyde
6-Fluoro-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine
4-Methoxy-3-nitro-5-(trifluoromethoxy)pyridine