2,6-Dibromo-3-(difluoromethyl)pyridine-5-sulfonamide
3,6-Dibromo-2-(difluoromethyl)pyridine-4-sulfonamide
2,5-Difluoro-4-(difluoromethyl)pyridine-3-acetic acid
4,6-Difluoro-2-(difluoromethyl)pyridine-3-acetic acid
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