InChI=1/C28H28N2O4/c1-19-24-16-22(14-15-23(24)25(31)34-30-19)29-26(32)28(33,17-20-10-6-4-7-11-20)18-27(2,3)21-12-8-5-9-13-21/h4-16,33H,17-18H2,1-3H3,(H,29,32)/t28-/m0/s1/f/h29H 1449FCC5B5979339