6-Amino-3-(difluoromethyl)-2-methoxy-4-nitropyridine
2-Amino-5-(difluoromethyl)-6-methylpyridine-3-carboxylic acid
Methyl 2-amino-3-(difluoromethyl)-4-methylpyridine-6-acetate
3-Amino-2-(difluoromethyl)-4-methylpyridine-5-carboxylic acid
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