Ethyl 5-amino-4-(aminomethyl)-2-(difluoromethyl)pyridine-3-carboxylate
5-(Aminomethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetic acid
4-Chloro-2-methoxy-3-(trifluoromethoxy)pyridine-5-acetonitrile
Ethyl 4-amino-6-(bromomethyl)-3-(trifluoromethoxy)pyridine-2-carboxylate