InChI=1S/C29H30N4O4/c1-35-23-8-6-22(7-9-23)32-14-16-33(17-15-32)28-25-18-21(5-4-20(25)12-13-30-28)29(34)31-26-11-10-24(36-2)19-27(26)37-3/h4-13,18-19H,14-17H2,1-3H3,(H,31,34)