4-(Fluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine
4-Bromo-3,5-diamino-2-(trifluoromethoxy)pyridine
4-(Fluoromethyl)-2-nitro-5-(trifluoromethoxy)pyridine
3-(Fluoromethyl)-5-nitro-4-(trifluoromethoxy)pyridine
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