2-Amino-3-(difluoromethyl)-4-fluoro-6-iodopyridine
5-Amino-3-(difluoromethyl)-2-fluoro-4-nitropyridine
6-Amino-3-(difluoromethyl)-2-methoxy-4-nitropyridine
2-Amino-5-(difluoromethyl)-6-methylpyridine-3-carboxylic acid
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