10H-Benzo(a)thieno(2,3-d)cycloheptene, 4,5-dihydro-4-(4-(2-hydroxyethyl)-1-piperazinyl)-, maleate 4-(4-(2-Hydroxyethyl)piperazino)-4,5-dihydro-10H-benzo(a)thieno(2,3-d)cycloheptene maleate DL8130000