InChI=1/C26H38N2O4/c1-2-31-25(30)28-9-7-27(8-10-28)17-23(29)18-32-24-5-3-22(4-6-24)26-14-19-11-20(15-26)13-21(12-19)16-26/h3-6,19-21,23,29H,2,7-18H2,1H3/t19?,20?,21?,23-,26?/m0/s1 4DF1CE09EF1FA0CC