4-Bromo-5-(difluoromethyl)pyridine-2-carboxylic acid
Methyl 6-(chloromethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate
5-(Chloromethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
Methyl 2-(chloromethyl)-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylate