1-Piperazineethanol, 4-(7-chloro-10,11-dihydro-8-fluorodibenzo(b,f)thiepin-10-yl)-, (Z)-2-butenedioate (1:1) 4-(7-Chloro-10,11-dihydro-8-fluorodibenzo(b,f)thiepin-10-yl)-1-piperazineethanol maleate 60810-90-4