1-Piperazinepropanamide, 4-(8-chloro-10,11-dihydrodibenzo(b,f)thiepin-10-yl)-, (Z)-2-butenedioate (1:1) 34775-58-1 4-(8-Chloro-10,11-dihydrodibenzo(b,f)thiepin-10-yl)-1-piperazinepropanamide maleate