InChI=1/C21H26N4O3/c1-21(2,24-12-11-16-7-3-4-9-18(16)14-24)15-23-20(26)22-13-17-8-5-6-10-19(17)25(27)28/h3-10H,11-15H2,1-2H3,(H2,22,23,26)/p+1/fC21H27N4O3/h22-24H/q+1 BB8F41F732E76AF9