Methyl 2,5-dihydroxy-3-(trifluoromethoxy)pyridine-6-carboxylate
2-(Chloromethyl)-3-nitro-4-(trifluoromethoxy)pyridine
3,4-Diiodo-2-methoxy-5-(trifluoromethoxy)pyridine
2,6-Diiodo-3-methoxy-4-(trifluoromethoxy)pyridine
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