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