Methyl 2-(difluoromethyl)-6-iodo-4-nitropyridine-3-carboxylate
Methyl 6-(difluoromethyl)-4-iodo-2-methylpyridine-3-carboxylate
5-(Difluoromethyl)-2-iodo-4-methoxy-3-(trifluoromethyl)pyridine
Methyl 2-(difluoromethyl)-3-iodo-5-methylpyridine-4-carboxylate