57469-77-9 EINECS 260-751-7 Ibuprofen lysinate L-LYSINE, MONO(alpha-METHYL-4-(2-METHYLPROPYL)BENZENEACETATE) L-Lysine mono(4-isobutyl-alpha-methylbenzeneacetate) Saren Solufen [Spanish] Solufenum Soluphene p-Isobutylphenyl-2-propionate lysine