InChI=1/C21H22N4O2/c1-2-6-18-17(5-1)22-13-21(24-18)25-9-3-4-16(14-25)23-15-7-8-19-20(12-15)27-11-10-26-19/h1-2,5-8,12-13,16,23H,3-4,9-11,14H2/t16-/m1/s1 070A502D2ED427E7