2-Amino-5-fluoro-3-nitro-4-(trifluoromethoxy)pyridine
6-Amino-4-fluoro-3-nitro-2-(trifluoromethoxy)pyridine
3-(Chloromethyl)-2,6-dimethoxy-4-(trifluoromethoxy)pyridine
4-(Chloromethyl)-3,6-dimethoxy-2-(trifluoromethoxy)pyridine
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