1-Piperazinepropanol, 4-(8-chloro-10,11-dihydrodibenz(b,f)oxepin-10-yl)-, maleate (1:1) 25558-95-6 4-(8-Chloro-10,11-dihydrodibenz(b,f)oxepin-10-yl)-1-piperazinepropanol maleate