Methyl 2-amino-6-(bromomethyl)-3-(difluoromethyl)pyridine-4-carboxylate
3-Amino-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-5-methanol
Ethyl 3-(aminomethyl)-5-methoxy-2-(trifluoromethoxy)pyridine-6-acetate
5-(Difluoromethyl)-2-fluoro-3-nitropyridine-4-acetic acid