InChI=1/C23H18N2O7/c1-3-30-20(26)17-19(24)32-18-12-6-4-5-7-15(12)31-21(27)16(18)23(17)13-10-11(29-2)8-9-14(13)25-22(23)28/h4-10H,3,24H2,1-2H3,(H,25,28)/t23-/m0/s1/f/h25H C34E2D127B579E9D