InChI=1/C21H28N4O3/c1-16(27)24-19(11-18-13-22-15-23-18)20(28)25-9-7-21(14-26,8-10-25)12-17-5-3-2-4-6-17/h2-6,13,15,19,26H,7-12,14H2,1H3,(H,22,23)(H,24,27)/t19-/m0/s1/f/h22,24H EF65F8DD21FEB1BC