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