3,5-Dimethoxy-2-methyl-6-(trifluoromethoxy)pyridine
2,6-Diiodo-3-methoxy-5-(trifluoromethoxy)pyridine
3,4-Dimethoxy-6-methyl-2-(trifluoromethoxy)pyridine
3,6-Diiodo-2-methoxy-4-(trifluoromethoxy)pyridine
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