InChI=1/C20H28N4O3/c1-4-23-9-11-24(12-10-23)13-16-17(19(25)27-3)18(22-20(26)21-16)15-7-5-14(2)6-8-15/h5-8,18H,4,9-13H2,1-3H3,(H2,21,22,26)/p+1/t18-/m0/s1/fC20H29N4O3/h21-23H/q+1 DCD611FB526B899F