N-hydroxy-2-[4-(2-methylpropyl)phenyl]propanamide, G-277, n-hydroxy-2-(4-isobutylphenyl)propanamide, Ibuproxam, D,L-2-(4-Isobutylphenyl)propiohydroxamic acid, 2-(4-isobutylphenyl)-propiohydroxamic acid, 2-(4'-Isobutylphenyl)-propiohydroxamsaeure, Ibuproxamum, Ibudros