(1)BENZOTHIENO(2,3-d)PYRIMIDINE, 5,6,7,8-TETRAHYDRO-4-(4-METHYL-1-PIPERAZINYL)-, (1)Benzothieno(2,3-d)pyrimidine, 5,6,7,8-tetrahydro-4-(4-methyl-1-piperazinyl)-, hydrochloride 37724-43-9 4-(4-Methyl-1-piperazinyl)-5,6,7,8-tetrahydro-(1)benzothieno(2,3-d)pyrimidine hydrochloride QM-1143