InChI=1/C21H28N4O2/c22-14-16-6-8-18(9-7-16)23-20(26)21(27)24-19-10-12-25(13-11-19)15-17-4-2-1-3-5-17/h6-9,17,19H,1-5,10-13,15H2,(H,23,26)(H,24,27)/p+1/fC21H29N4O2/h23-25H/q+1 F8300E3EA7C36D77