InChI=1S/C26H38N2O4/c1-24-8-6-18(29)14-17(24)4-5-19-20-7-9-26(32,25(20,2)15-21(30)23(19)24)22(31)16-28-12-10-27(3)11-13-28/h6,8,14,19-21,23,30,32H,4-5,7,9-13,15-16H2,1-3H3/t19-,20-,21-,23+,24-,25-,26-/m0/s1