3-Amino-6-bromo-2-nitro-4-(trifluoromethoxy)pyridine
5-(Chloromethyl)-2,3-difluoro-4-(trifluoromethoxy)pyridine
5-Amino-2-bromo-4-nitro-3-(trifluoromethoxy)pyridine
3-Amino-5-bromo-2-methoxy-6-(trifluoromethoxy)pyridine
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