InChI=1/C20H25N5O2/c1-4-9-25(12-13-10-15(26-2)6-8-18(13)27-3)14-5-7-17-16(11-14)19(21)24-20(22)23-17/h5-8,10-11H,4,9,12H2,1-3H3,(H4,21,22,23,24)/p+1/fC20H26N5O2/h23H,21-22H2/q+1 92D681B834B2217D