InChI=1/C28H28N2O3/c31-25-11-12-26-23(20-25)14-15-30(28(26)22-4-2-1-3-5-22)24-9-6-21(7-10-24)8-13-27(32)29-16-18-33-19-17-29/h1-13,20,28,31H,14-19H2/b13-8+/t28-/m1/s1 DEDCD6498DF1F768