4-Amino-2-(difluoromethyl)-3-methyl-5-nitropyridine
3-Amino-4-(bromomethyl)-2-(difluoromethyl)-6-methylpyridine
2-Amino-6-(aminomethyl)-4-(difluoromethyl)-3-methylpyridine
5-Amino-3-(difluoromethyl)-4-methyl-2-nitropyridine
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