5-Amino-2-bromo-4-cyano-3-(difluoromethyl)pyridine
5-Amino-4-chloro-2-(difluoromethyl)-3-(trifluoromethyl)pyridine
4-Amino-5-bromo-2-cyano-3-(difluoromethyl)pyridine
2-Amino-6-chloro-3-(chloromethyl)-4-(difluoromethyl)pyridine
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