5-(Aminomethyl)-2-(difluoromethyl)pyridine-4-sulfonamide
4-(Aminomethyl)-3-(difluoromethyl)pyridine-5-sulfonamide
2-(Aminomethyl)-5-(difluoromethyl)pyridine-4-sulfonamide
3,4-Diamino-5-(difluoromethyl)-2-methylpyridine
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