1-(s-Hydrindacen-4-yl)-4-(4-methylsulfonylphenacyl)piperazine maleate 64695-77-8 Ethanone, 2-(4-(1,2,3,5,6,7-hexahydro-s-indacen-4-yl)-1-piperazinyl)-1-(4-methylsulfonyl)phenyl)-, (Z)-2-butenedioate (1:1) VUFB-10644