2-(Bromomethyl)-3-(difluoromethyl)-5-(trifluoromethyl)pyridine-6-carboxylic acid
5-Fluoro-2-iodo-3-methoxy-4-(trifluoromethoxy)pyridine
4-Amino-2-(aminomethyl)-3-(difluoromethyl)pyridine-6-carboxaldehyde
3-Amino-6-(difluoromethyl)-4-fluoropyridine-2-acetic acid