InChI=1S/C32H40N4O4/c1-21-16-22(2)34-32(38)29(21)19-33-31(37)28-17-26(18-30(23(28)3)35-27-8-12-39-13-9-27)25-6-4-24(5-7-25)20-36-10-14-40-15-11-36/h4-7,16-18,27,35H,8-15,19-20H2,1-3H3,(H,33,37)(H,34,38)