1-(1,2,3,5,6,7-hexahydro-s-indacen-4-yl)ethanone InChI=1/C14H16O/c1-9(15)14-12-6-2-4-10(12)8-11-5-3-7-13(11)14/h8H,2-7H2,1H ethanone, 1-(1,2,3,5,6,7-hexahydro-s-indacen-4-yl)-