Methyl 4-amino-6-(bromomethyl)-3-(difluoromethyl)pyridine-2-carboxylate
3-Amino-4-(bromomethyl)-2-cyano-6-(difluoromethyl)pyridine
2-Amino-3-(aminomethyl)-6-cyano-5-(difluoromethyl)pyridine
2-(Difluoromethyl)-6-nitro-4-(trifluoromethyl)pyridine-3-sulfonyl chloride