4,6-Difluoro-2-methyl-3-(trifluoromethoxy)pyridine
3,6-Dimethoxy-2-(trifluoromethoxy)pyridine-4-acetonitrile
4-Chloro-3,5-dimethoxy-2-(trifluoromethoxy)pyridine
2,5-Dimethoxy-3-(trifluoromethoxy)pyridine-6-acetonitrile
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