InChI=1/C20H21N5O2/c21-10-13-1-5-15(6-2-13)19(26)25-17-9-18(23-12-17)20(27)24-16-7-3-14(11-22)4-8-16/h1-9,12,23H,10-11,21-22H2,(H,24,27)(H,25,26)/p+2/fC20H23N5O2/h21-22,24-25H/q+2 ACB743D5A3E0F195