Methyl 4-bromo-2-(difluoromethyl)pyridine-5-carboxylate
Ethyl 2-(aminomethyl)-4-(difluoromethyl)pyridine-6-acetate
3-(Chloromethyl)-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
5-(Chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxaldehyde