2-Bromo-4-chloro-3-(trifluoromethoxy)pyridine-6-sulfonamide
2-Bromo-3-chloro-6-(trifluoromethoxy)pyridine-4-sulfonamide
2-Amino-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-acetic acid
5-Bromo-2-fluoro-4-(trifluoromethoxy)pyridine-3-acetic acid
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