3-Amino-6-chloro-4-(chloromethyl)-2-(trifluoromethoxy)pyridine
5-Amino-2-iodo-4-nitro-3-(trifluoromethoxy)pyridine
5-Amino-3-nitro-2-(trifluoromethoxy)pyridine-4-sulfonamide
3-Amino-5-nitro-4-(trifluoromethoxy)pyridine-2-sulfonamide
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