4-Amino-3-(difluoromethyl)-2-fluoro-6-nitropyridine
6-Amino-3-(difluoromethyl)-4-fluoro-2-(trifluoromethyl)pyridine
6-Amino-4-(bromomethyl)-2-(difluoromethyl)-3-fluoropyridine
4-Amino-2-(difluoromethyl)-6-fluoro-3-nitropyridine
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