InChI=1S/C30H34N4O4/c1-4-19-14-22-23(15-25(19)33-9-7-20(8-10-33)34(11-12-35)17-26(36)37)30(2,3)29-27(28(22)38)21-6-5-18(16-31)13-24(21)32-29/h5-6,13-15,20,32,35H,4,7-12,17H2,1-3H3,(H,36,37)