Ethyl 5-amino-3-(difluoromethyl)-2-fluoropyridine-4-acetate
4-Amino-6-(difluoromethyl)-2-methoxypyridine-3-sulfonamide
2-Amino-5-(difluoromethyl)-4-methyl-3-nitropyridine
6-Amino-4-(difluoromethyl)-2-methyl-3-nitropyridine
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