2-Amino-3-iodo-4-(trifluoromethoxy)pyridine-6-sulfonamide
5-Amino-4-iodo-2-(trifluoromethoxy)pyridine-3-carboxylic acid
4-Amino-6-methoxy-3-methyl-2-(trifluoromethoxy)pyridine
3-Amino-4-iodo-5-(trifluoromethoxy)pyridine-2-carboxylic acid
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