4-Bromo-2-(difluoromethyl)pyridine-5-acetic acid
3-Bromo-5-(difluoromethyl)pyridine-4-acetic acid
3-(Chloromethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-carboxylic acid
2-(Chloromethyl)-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-carboxaldehyde