Methyl 2-amino-3-methoxy-5-(trifluoromethoxy)pyridine-6-acetate
2-Bromo-3-iodo-6-(trifluoromethoxy)pyridine-5-carboxylic acid
Methyl 2-amino-6-cyano-4-(difluoromethyl)pyridine-3-acetate
3-(Aminomethyl)-2-chloro-5-(difluoromethyl)pyridine-6-acetonitrile