Methyl 4-amino-2-(difluoromethyl)-5-methoxypyridine-3-carboxylate
5-Amino-3-(difluoromethyl)-2-fluoropyridine-4-carboxaldehyde
2-Amino-5-(difluoromethyl)-6-fluoropyridine-3-carboxaldehyde
6-Amino-4-(difluoromethyl)-2-fluoropyridine-3-carboxaldehyde
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