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