1-Piperazineethanol, 4-(10,11-dihydro-3-fluoro-8-nitrodibenzo(b,f)thiepin-10-yl)-, (Z)-2-butenedioate (1:2) 7-Fluoro-11-(4-(2-hydroxyethyl)piperazino)-2-nitro-10,11-dihydrodibenzo(b,f)thiepin dimaleate 70931-78-1