3-Amino-5-bromo-2-(difluoromethyl)pyridine-4-carboxaldehyde
3-Amino-2-(chloromethyl)-6-(difluoromethyl)-4-fluoropyridine
6-Amino-2-(aminomethyl)-4-(difluoromethyl)-3-fluoropyridine
2-Amino-3-(difluoromethyl)-5-fluoro-4-methoxypyridine
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