2-(Difluoromethyl)-3-methoxy-6-nitro-5-(trifluoromethyl)pyridine
Ethyl 4-(aminomethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-amino-5-(difluoromethyl)-2-fluoropyridine-6-acetate
Ethyl 2-cyano-4-(difluoromethyl)-6-methylpyridine-3-carboxylate