InChI=1S/C20H31N3O5/c1-11(2)10-15(20(27)28-5)23-18(25)13(4)22-19(26)17(24)16(21)14-8-6-12(3)7-9-14/h6-9,11,13,15-17,24H,10,21H2,1-5H3,(H,22,26)(H,23,25)/t13-,15+,16+,17-/m0/s1