InChI=1/C25H22N2O5/c1-2-31-24(30)15-5-3-4-14(12-15)19-9-6-16(32-19)13-26-27-22(28)20-17-7-8-18(21(20)23(27)29)25(17)10-11-25/h3-9,12-13,17-18,20-21H,2,10-11H2,1H3/b26-13+/t17-,18+,20-,21-/m0/s1 23831BB56412F659