4-Amino-5-cyano-2-(difluoromethyl)pyridine-3-carboxaldehyde
3-(Difluoromethyl)-2-hydroxy-6-methyl-5-(trifluoromethoxy)pyridine
2-Amino-6-bromo-4-(difluoromethyl)pyridine-3-sulfonamide
Methyl 4-iodo-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-acetate