3-Bromo-4,5-difluoro-2-(trifluoromethoxy)pyridine
4,5-Diamino-2-fluoro-3-(trifluoromethoxy)pyridine
4,5-Diamino-3-fluoro-2-(trifluoromethoxy)pyridine
2,6-Diamino-4-fluoro-3-(trifluoromethoxy)pyridine
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