InChI=1/C21H26N4O3/c1-4-14-5-7-15(8-6-14)18(25(2)3)13-23-20(27)21(28)24-17-11-9-16(10-12-17)19(22)26/h5-12,18H,4,13H2,1-3H3,(H2,22,26)(H,23,27)(H,24,28)/p+1/t18-/m1/s1/fC21H27N4O3/h23-25H,22H2/q+1 049252B9D48F1962