6-Amino-3-fluoro-4-nitro-2-(trifluoromethoxy)pyridine
4,6-Dimethoxy-3-hydroxy-2-(trifluoromethoxy)pyridine
3,5-Dimethoxy-2-fluoro-4-(trifluoromethoxy)pyridine
3,4-Dimethoxy-5-fluoro-2-(trifluoromethoxy)pyridine
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