1-Piperazinepropanol, 4-(10,11-dihydrodibenzo(b,f)thiepin-10-yl)-, acetate (ester), maleate (1:2) 10-(4-(3-Acetoxypropyl)piperazino)-10,11-dihydrodibenzo(b,f)thiepin bis(hydrogen maleate) 16926-50-4