InChI=1S/C28H30N4O3/c1-16(34)30-13-11-27-18-8-4-5-9-19(18)29-24-28(27)12-14-31(25(27)30)22(23-26(2,3)35-23)17-7-6-10-20(21(17)28)32(24)15-33/h4-10,15,22-25,29H,11-14H2,1-3H3