2-Amino-5-(difluoromethyl)-3-methylpyridine-4-carboxaldehyde
5-Amino-2-(chloromethyl)-4-(difluoromethyl)-3-methylpyridine
2-Amino-3-(bromomethyl)-6-(difluoromethyl)-4-methylpyridine
6-Amino-4-(difluoromethyl)-3-methylpyridine-2-carboxaldehyde
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