4-Amino-3-(aminomethyl)-6-(difluoromethyl)pyridine-2-carboxaldehyde
3-(Bromomethyl)-2-methyl-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-Chloro-6-(difluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine
4-Amino-6-(chloromethyl)-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine