3-Chloro-6-nitro-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
6-Chloro-3-(difluoromethyl)-2-fluoropyridine-4-acetic acid
2-Amino-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-acetic acid
2-Bromo-6-(fluoromethyl)-4-methyl-3-(trifluoromethoxy)pyridine