InChI=1S/C20H27N5O3/c1-5-13-16(17(21)24-19(22)23-13)12-7-8-15-14(11-12)25(9-6-10-27-4)18(26)20(2,3)28-15/h7-8,11H,5-6,9-10H2,1-4H3,(H4,21,22,23,24)