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