InChI=1/C24H22O3/c1-2-22(18-6-4-3-5-7-18)24(20-12-14-21(25)15-13-20)19-10-8-17(9-11-19)16-23(26)27/h3-15,25H,2,16H2,1H3,(H,26,27)/p-1/b24-22+/fC24H21O3/q-1 279F504AAF4D24DC