5-Amino-2-(difluoromethyl)-3-fluoropyridine-6-sulfonamide
3-Amino-2-(chloromethyl)-5-(difluoromethyl)-4-methylpyridine
5-Amino-2-(chloromethyl)-3-(difluoromethyl)-4-methylpyridine
4-Amino-5-(difluoromethyl)-3-methylpyridine-2-methanol
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