2-Chloro-4-nitro-3-(trifluoromethoxy)pyridine-5-sulfonamide
4-Bromo-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetic acid
2-Chloro-3-nitro-5-(trifluoromethoxy)pyridine-6-sulfonamide
2-Chloro-3-nitro-4-(trifluoromethoxy)pyridine-5-sulfonamide
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