InChI=1/C27H22N2O4/c1-3-12-32-20-8-4-7-19(14-20)24-23-25(30)21-13-17(2)9-10-22(21)33-26(23)27(31)29(24)16-18-6-5-11-28-15-18/h3-11,13-15,24H,1,12,16H2,2H3/t24-/m0/s1 27C9BA0099C423C7