3-Amino-6-fluoro-4-nitro-2-(trifluoromethoxy)pyridine
3,6-Dimethyl-4-iodo-2-(trifluoromethoxy)pyridine
4-Amino-5-fluoro-3-nitro-2-(trifluoromethoxy)pyridine
2,5-Dimethyl-3-iodo-4-(trifluoromethoxy)pyridine
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