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