Ethyl 3-(aminomethyl)-5-(difluoromethyl)pyridine-2-acetate
6-(Difluoromethyl)-3-(trifluoromethyl)pyridine-2-carboxylic acid
3-(Bromomethyl)-2-(difluoromethyl)-4-(trifluoromethyl)pyridine
4-(Difluoromethyl)-5-(trifluoromethyl)pyridine-2-carboxaldehyde