2-Amino-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
3-Bromo-6-chloro-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine
2-Amino-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
5-Bromo-2-chloro-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine