InChI=1/C21H26N4O3/c22-20(27)19-9-4-10-25(19)13-15-5-3-8-18(11-15)24-21(28)23-12-16-6-1-2-7-17(16)14-26/h1-3,5-8,11,19,26H,4,9-10,12-14H2,(H2,22,27)(H2,23,24,28)/p+1/t19-/m1/s1/fC21H27N4O3/h23-25H,22H2/q+1 6F546E83E56F5772