1-(2,3-Dihydro-1H-inden-5-yl)-2-(hexahydro-1H-azepin-1-yl)ethanone maleate 55020-18-3 ETHANONE, 1-(2,3-DIHYDRO-1H-INDEN-5-YL)-2-(HEXAHYDRO-1H-AZEPIN-1-YL)-, (Z)-2-BUT Ethanone, 1-(2,3-dihydro-1H-inden-5-yl)-2-(hexahydro-1H-azepin-1-yl)-, (Z)-2-butenedioate (1:1)