3'-(4-methylphenyl)spiro[indene-2,2'-oxiran]-1(3H)-one InChI=1/C17H14O2/c1-11-6-8-12(9-7-11)16-17(19-16)10-13-4-2-3-5-14(13)15(17)18/h2-9,16H,10H2,1H spiro[2H-indene-2,2'-oxiran]-1(3H)-one, 3'-(4-methylphenyl)-