5-Amino-2,3-dibromo-4-(difluoromethyl)pyridine
2,4-Dichloro-5-(difluoromethyl)pyridine-3-sulfonamide
2,3-Dichloro-5-(difluoromethyl)pyridine-4-sulfonamide
3,5-Diamino-4-(difluoromethyl)pyridine-2-sulfonamide
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