InChI: | InChI=1/C34H38N4O4/c1-7-21-17(3)25-15-31-24(10-12-34(41)42)20(6)28(38-31)14-30-22(8-2)18(4)26(36-30)16-32-23(9-11-33(39)40)19(5)27(37-32)13-29(21)35-25/h13-16,37-38H,7-12H2,1-6H3,(H,39,40)(H,41,42)/b25-15-,26-16-,27-13-,28-14-,29-13-,30-14-,31-15-,32-16- |