Synonyms: QM-1143;(1)Benzothieno(2,3-d)pyrimidine, 5,6,7,8-tetrahydro-4-(4-methyl-1-piperazinyl)-, hydrochloride;4-(4-Methyl-1-piperazinyl)-5,6,7,8-tetrahydro-(1)benzothieno(2,3-d)pyrimidine hydrochloride;AC1L1YI2;LS-40989;37724-43-9;5-(4-methylpiperazin-4-ium-1-yl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidine chloride