4-Bromo-3-chloro-2-nitro-6-(trifluoromethoxy)pyridine
2-Amino-6-(fluoromethyl)-4-nitro-3-(trifluoromethoxy)pyridine
3-Amino-4-iodo-5-methoxy-2-(trifluoromethoxy)pyridine
3-Amino-2-iodo-6-methoxy-5-(trifluoromethoxy)pyridine
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