Ethyl 6-amino-4-(difluoromethyl)-2-iodopyridine-3-carboxylate
Ethyl 2-amino-4-(difluoromethyl)-5-iodopyridine-3-carboxylate
Ethyl 6-(aminomethyl)-3-(difluoromethyl)-4-iodopyridine-2-carboxylate
Ethyl 6-chloro-5-methoxynicotinate
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