InChI=1/C21H26N4O3/c1-13-18(21(27)28-5)14(2)22-19(13)20(26)23-16-6-7-17-15(12-16)8-9-25(17)11-10-24(3)4/h6-9,12,22H,10-11H2,1-5H3,(H,23,26)/p+1/fC21H27N4O3/h23-24H/q+1 2454506BE1A75D28