4-Amino-5-(difluoromethyl)-3-nitropyridine-2-carboxylic acid
2-Amino-4-(difluoromethyl)-3-nitropyridine-5-acetic acid
Ethyl 5-amino-2-(difluoromethyl)-3-nitropyridine-4-carboxylate
Ethyl 3-amino-5-(difluoromethyl)-2-nitropyridine-4-carboxylate
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