InChI=1S/C21H29N3O7/c1-12(2)18(24-21(30)31-11-15-8-6-5-7-9-15)20(29)22-13(3)19(28)23-16(14(4)25)10-17(26)27/h5-9,12-13,16,18H,10-11H2,1-4H3,(H,22,29)(H,23,28)(H,24,30)(H,26,27)/t13-,16-,18-/m0/s1