2-Amino-4-(difluoromethyl)-5-nitro-3-(trifluoromethoxy)pyridine
3-Bromo-2-chloro-4-iodo-6-(trifluoromethoxy)pyridine
2-Amino-3-(difluoromethyl)-6-nitro-5-(trifluoromethoxy)pyridine
5-Bromo-4-(chloromethyl)-2-cyano-3-(trifluoromethoxy)pyridine
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