5-Amino-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Bromo-4-chloro-3-methyl-5-(trifluoromethoxy)pyridine
4-Amino-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Amino-3-(chloromethyl)-5-(trifluoromethoxy)pyridine-4-methanol