Ethyl 2-(aminomethyl)-6-bromo-3-(difluoromethyl)pyridine-5-acetate
Methyl 3-bromo-6-(difluoromethyl)-2-(trifluoromethyl)pyridine-5-acetate
Methyl 3-(aminomethyl)-5-bromo-6-(difluoromethyl)pyridine-2-acetate
2-Chloro-3-cyano-6-(difluoromethyl)-4-hydroxypyridine