5-Bromo-2,4-difluoro-3-(trifluoromethoxy)pyridine
6-Bromo-2,3-difluoro-5-(trifluoromethoxy)pyridine
2,3-Diamino-5-nitro-4-(trifluoromethoxy)pyridine
2,3-Difluoro-5-methoxy-4-(trifluoromethoxy)pyridine
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