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