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