3-Hydroxy-2-iodo-5-nitro-4-(trifluoromethoxy)pyridine
6-Fluoro-2-methoxy-4-methyl-3-(trifluoromethoxy)pyridine
2-Fluoro-6-methoxy-3-methyl-4-(trifluoromethoxy)pyridine
2-Fluoro-5-methoxy-3-methyl-4-(trifluoromethoxy)pyridine
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