(E)-9-Fluoro-11-(3-dimethylaminopropylidene)-6,11-dihydrodibenzo(b,e)thiepin hydrogen maleate 1-Propanamine, N,N-dimethyl-3-(9-fluorodibenzo(b,e)thiepin-11(6H)-ylidene)-, (E)-, (Z)-2-butenedioate (1:1) 81890-59-7