2-(4-(3-Chlorophenyl)-1-piperazinyl)ethyl(+-)-2-(4-isobutylphenyl)propionate hydrochloride 2-(4-(m-Chlorophenyl)-1-piperazinyl)ethyl (+-)-p-isobutylhydratropate 2-(4-(m-Chlorophenyl)-1-piperazinyl)ethyl(+-)-p-isobutylhydratropate hydrochloride 96128-90-4 Lobuprofen Lobuprofen [INN] Lobuprofen hydrochloride Propanoic acid, 2-(4-(2-methylpropyl)phenyl)-, 2-(4-(3-chlorophenyl)-1-piperazinyl)ethyl ester, hydrochloride