4-Bromo-2,5-difluoro-3-(trifluoromethoxy)pyridine
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