5-Iodo-4-methoxy-2-nitro-3-(trifluoromethoxy)pyridine
2-Iodo-5-methoxy-6-nitro-3-(trifluoromethoxy)pyridine
2-Iodo-3-methoxy-5-nitro-4-(trifluoromethoxy)pyridine
4-Iodo-3-methoxy-5-methyl-2-(trifluoromethoxy)pyridine
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