4-Cyano-2-iodo-3-(trifluoromethoxy)pyridine-5-sulfonamide
Methyl 4-amino-6-(bromomethyl)-3-(difluoromethyl)pyridine-2-carboxylate
3-Amino-4-(bromomethyl)-2-cyano-6-(difluoromethyl)pyridine
2-Amino-3-(aminomethyl)-6-cyano-5-(difluoromethyl)pyridine
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