5-Amino-2-(difluoromethyl)-3-methoxypyridine-6-carboxylic acid
Ethyl 4-amino-3-(difluoromethyl)-5-nitropyridine-2-acetate
Ethyl 4-amino-2-(difluoromethyl)-5-nitropyridine-3-acetate
Ethyl 5-amino-3-(difluoromethyl)-2-nitropyridine-4-acetate
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