InChI=1/C21H26N4O3/c1-14-8-9-18(11-19(14)23-15(2)26)24-21(28)20(27)22-12-16-6-5-7-17(10-16)13-25(3)4/h5-11H,12-13H2,1-4H3,(H,22,27)(H,23,26)(H,24,28)/p+1/fC21H27N4O3/h22-25H/q+1 339581D1EE1A5B1E