OTAVA-BB 7018780036 4-(4-Methylpiperazin-1-yl)benzoic acidhydrochloride 4-(4-Methylpiperazin-1-yl)benzoic acid, HCl OTAVA-BB BB7018780036 4-(4-methyl-1-piperazinyl)benzoic acid hydrochloride Benzoic acid, 4-(4-methyl-1-piperazinyl)-, hydrochloride (1:1)