3-(Bromomethyl)-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-6-carboxylic acid
4-(Difluoromethyl)-3-nitro-5-(trifluoromethyl)pyridine-2-acetic acid
5-(Bromomethyl)-3-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-carboxaldehyde
2-(Difluoromethyl)-6-nitro-3-(trifluoromethyl)pyridine-4-acetic acid