1-(1,2,3,5,6,7-Hexahydro-s-indacen-4-yl)-2-(1-piperidinyl)ethanone maleate 67367-79-7 ETHANONE, 1-(1,2,3,5,6,7-HEXAHYDRO-s-INDACEN-4-YL)-2-(1-PIPERIDINYL)-,(Z)-2-BUTE Ethanone, 1-(1,2,3,5,6,7-hexahydro-s-indacen-4-yl)-2-(1-piperidinyl)-,(Z)-2-butenedioate (1:1) VUFB-10593