InChI=1S/C32H38N2O4/c1-19-7-6-8-24-15-23(18-35)21(3)30-28(16-22-17-33-27-10-5-4-9-26(22)27)34-31(38)32(24,30)29(37)12-11-25(36)14-20(2)13-19/h4-6,8-10,13,15,17,19,21,24,28,30,33,35H,7,11-12,14,16,18H2,1-3H3,(H,34,38)/b8-6-,20-13-/t19-,21+,24-,28-,30-,32+/m0/s1