InChI=1/C30H30N4O4/c1-20-15-23(25-9-5-6-10-27(25)31-20)19-38-24-13-11-22(12-14-24)29(35)32-28-18-34(17-26(28)30(36)33-37)16-21-7-3-2-4-8-21/h2-15,26,28,37H,16-19H2,1H3,(H,32,35)(H,33,36)/p+1/t26-,28+/m0/s1/fC30H31N4O4/h32-34H/q+1 11B2E824C3BF6794