Methyl 4-(difluoromethyl)-2-methyl-5-nitropyridine-3-carboxylate
Methyl 4-(aminomethyl)-2-(difluoromethyl)-3-fluoropyridine-6-acetate
4-Bromo-2-(bromomethyl)-3-cyano-5-(difluoromethyl)pyridine
2-Bromo-3-methoxy-4-(trifluoromethoxy)pyridine-5-acetic acid