InChI=1S/C32H36N2O4/c1-18-8-7-9-20-14-15-30(3)28-22(21-10-5-6-11-23(21)33-28)17-25-31(30,4)32(20,29(38)34-25)26(36)13-12-24(35)27(37)19(2)16-18/h5-7,9-13,16,18,20,25,27,33,37H,8,14-15,17H2,1-4H3,(H,34,38)/b9-7+,13-12?,19-16+/t18-,20-,25-,27+,30-,31+,32-/m0/s1