InChI=1/C20H26N4O3/c1-12-7-5-6-8-15(12)16(24-20(21)26)9-18(25)23-11-17-14(3)19(27-4)13(2)10-22-17/h5-8,10,16H,9,11H2,1-4H3,(H,23,25)(H3,21,24,26)/t16-/m1/s1/f/h23-24H,21H2 36DC2F1D5B332C65