3-Amino-6-(difluoromethyl)-2-methoxypyridine-5-carboxaldehyde
3-Amino-2-(bromomethyl)-5-(difluoromethyl)-6-fluoropyridine
5-Amino-2-(difluoromethyl)-3-methoxypyridine-6-carboxaldehyde
4-Amino-3-(difluoromethyl)-6-methoxypyridine-2-carboxaldehyde
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