4-Amino-3-(aminomethyl)-5-cyano-2-(difluoromethyl)pyridine
2-(Difluoromethyl)-5-nitro-3-(trifluoromethoxy)pyridine-4-acetonitrile
2-Amino-4-(difluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine
2-Amino-4-chloro-5-methyl-3-(trifluoromethoxy)pyridine