3-Amino-4-nitro-5-(trifluoromethoxy)pyridine-2-sulfonamide
5-Amino-2-methyl-4-(trifluoromethoxy)pyridine-3-acetic acid
2-Amino-6-nitro-4-(trifluoromethoxy)pyridine-3-sulfonamide
4-Amino-5-methyl-2-(trifluoromethoxy)pyridine-3-acetic acid
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