InChI=1/C21H26N4O2/c22-20(26)13-16-7-3-4-10-19(16)24-21(27)23-14-17-8-1-2-9-18(17)15-25-11-5-6-12-25/h1-4,7-10H,5-6,11-15H2,(H2,22,26)(H2,23,24,27)/p+1/fC21H27N4O2/h23-25H,22H2/q+1 6311840C88CDBA80