InChI=1/C28H28N2O4/c1-28(2,3)21-11-7-19(8-12-21)24-23(25(31)20-9-13-22(34-4)14-10-20)26(32)27(33)30(24)17-18-6-5-15-29-16-18/h5-16,24,32H,17H2,1-4H3/p-1/t24-/m0/s1/fC28H27N2O4/h32h/q-1 F45BCE6EF7F3BC79