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