InChI=1/C23H18N2O6/c26-21(16-6-8-19(9-7-16)25(29)30)14-31-23(28)18-12-22(27)24(13-18)20-10-5-15-3-1-2-4-17(15)11-20/h1-11,18H,12-14H2/t18-/m0/s1 F6AA65A5EA00C9F6