InChI=1/C21H26N4O3/c1-14-8-9-17(11-19(14)23-15(2)26)21(28)22-12-16-6-5-7-18(10-16)24-20(27)13-25(3)4/h5-11H,12-13H2,1-4H3,(H,22,28)(H,23,26)(H,24,27)/p+1/fC21H27N4O3/h22-25H/q+1 5C2866501375F7C5