3-Bromo-2-hydroxy-4-(trifluoromethoxy)pyridine-5-sulfonamide
4-(Fluoromethyl)-2-iodo-6-(trifluoromethoxy)pyridine-3-acetonitrile
Ethyl 3-(aminomethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-5-carboxylate
2-Amino-6-bromo-4-(difluoromethyl)pyridine-3-acetic acid