Methyl 3-amino-4-(difluoromethyl)-2-iodopyridine-6-acetate
3-(Difluoromethyl)-6-methyl-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-(Aminomethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-6-acetic acid
2-Amino-3-chloro-5-(trifluoromethoxy)pyridine-4-acetic acid