Ethyl 3-bromo-2-(difluoromethyl)pyridine-5-carboxylate
6-(Chloromethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylic acid
6-(Chloromethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylic acid
3-(Aminomethyl)-4-(difluoromethyl)pyridine-5-carboxylic acid