Ethyl 4-(difluoromethyl)-6-iodo-2-nitropyridine-3-acetate
Ethyl 6-(difluoromethyl)-3-iodo-4-methylpyridine-2-carboxylate
Ethyl 2-(difluoromethyl)-4-iodo-3-methoxypyridine-6-carboxylate
5-(Difluoromethyl)-3-iodo-4-methoxypyridine-2-acetic acid
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