4,6-Difluoro-3-(difluoromethyl)pyridine-2-carboxylic acid
4,6-Diamino-3-(difluoromethyl)pyridine-2-sulfonamide
2,4-Difluoro-3-(difluoromethyl)pyridine-5-carboxylic acid
2,4-Diamino-3-(difluoromethyl)pyridine-5-sulfonamide
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