InChI=1/C22H18O5/c23-15-8-6-14(7-9-15)20-12-19(26)21-18(25)11-17(24)16(22(21)27-20)10-13-4-2-1-3-5-13/h1-9,11,20,23-25H,10,12H2/t20-/m0/s1 F7D286AC86D0EF95