Methyl 2-methoxy-6-nitro-3-(trifluoromethoxy)pyridine-5-carboxylate
5-(Difluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine-4-carboxylic acid
Methyl 5-(difluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine-4-acetate
Methyl 4-(difluoromethyl)-5-iodo-3-(trifluoromethoxy)pyridine-2-acetate