4-Bromo-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-carboxylic acid
6-Bromo-2-methoxy-3-(trifluoromethoxy)pyridine-4-acetic acid
4-Chloro-2-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-Bromo-6-methoxy-4-(trifluoromethoxy)pyridine-3-acetic acid