3-(Difluoromethyl)-2-methoxy-6-methylpyridine-5-sulfonamide
3-(Bromomethyl)-4-(difluoromethyl)-2-methoxy-5-nitropyridine
3-(Difluoromethyl)-2-methoxy-5-methylpyridine-6-sulfonamide
3-(Bromomethyl)-2-(difluoromethyl)-6-methoxy-4-nitropyridine
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