2-Bromo-4-(bromomethyl)-5-chloro-3-(difluoromethyl)pyridine
3-Chloro-4-(chloromethyl)-2-methoxy-5-(trifluoromethoxy)pyridine
4-(Chloromethyl)-3-(difluoromethyl)-2-fluoropyridine-6-carboxylic acid
4-Bromo-2-(fluoromethyl)-3-methyl-5-(trifluoromethoxy)pyridine