2,5-Diamino-4-fluoro-3-(trifluoromethoxy)pyridine
2,5-Dihydroxy-4-methyl-3-(trifluoromethoxy)pyridine
4,6-Diamino-2-nitro-3-(trifluoromethoxy)pyridine
4,5-Dihydroxy-3-methoxy-2-(trifluoromethoxy)pyridine
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