InChI=1S/C18H32N2O4/c1-2-3-4-5-6-7-8-9-10-11-12-13-17(22)20-15(18(23)24)14-16(19)21/h7-8,15H,2-6,9-14H2,1H3,(H2,19,21)(H,20,22)(H,23,24)/t15-/m1/s1