4-Amino-3-(difluoromethyl)-6-fluoropyridine-2-sulfonamide
3-Amino-6-(difluoromethyl)-2-fluoro-4-methylpyridine
2-Amino-6-(difluoromethyl)-3-fluoropyridine-5-sulfonamide
5-Amino-2-chloro-4-(difluoromethyl)-3-nitropyridine
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