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