Ethyl 3-(aminomethyl)-2-cyano-4-(difluoromethyl)pyridine-6-carboxylate
Methyl 2-methoxy-5-(trifluoromethoxy)pyridine-3-carboxylate
3-(Chloromethyl)-5-(difluoromethyl)-4-iodopyridine-2-carboxaldehyde
2-Amino-3-bromo-4-iodo-6-(trifluoromethoxy)pyridine