InChI=1S/C34H38N2O4/c1-25(29-15-7-11-27-9-3-5-13-31(27)29)33(37)39-23-21-35-17-19-36(20-18-35)22-24-40-34(38)26(2)30-16-8-12-28-10-4-6-14-32(28)30/h3-16,25-26H,17-24H2,1-2H3