3,5-Difluoro-4-(trifluoromethoxy)pyridine-2-acetonitrile
3-Iodo-2-nitro-6-(trifluoromethoxy)pyridine
2-Methoxy-5-nitro-3-(trifluoromethoxy)pyridine
4,5-Difluoro-2-(trifluoromethoxy)pyridine-3-acetonitrile
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