InChI=1/C23H18O7/c1-29-23-20(27)14(9-12-5-3-2-4-6-12)22-19(21(23)28)17(26)11-18(30-22)13-7-8-15(24)16(25)10-13/h2-8,10-11,24-25,27-28H,9H2,1H3 11745111F36C91DF