5-Amino-2-(difluoromethyl)-4-iodo-3-methylpyridine
3-Amino-2-(chloromethyl)-4-(difluoromethyl)-5-nitropyridine
4-Amino-5-(difluoromethyl)-2-iodo-3-methylpyridine
4-Amino-3-(difluoromethyl)-5-iodo-2-methylpyridine
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