InChI=1/C28H25N3O3/c1-28(17-16-19-10-4-2-5-11-19)26(33)31(27(34)30-28)18-23(32)24-21-14-8-9-15-22(21)29-25(24)20-12-6-3-7-13-20/h2-15,25H,16-18H2,1H3,(H,30,34)/p+1/t25-,28-/m0/s1/fC28H26N3O3/h29-30H/q+1 452D5A9EB866F46E