Methyl 6-(difluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine-4-acetate
2-(Difluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-(2-Chloro-5-fluorobenzoyl)pyridine
2-Mercapto-3-(trifluoromethyl)-5-(2-(trifluoromethyl)phenyl)pyridine