InChI=1/C21H28N4O2/c1-15-9-7-8-12-18(15)19(24-21(22)27)13-20(26)23-14-16(2)25(3)17-10-5-4-6-11-17/h4-12,16,19H,13-14H2,1-3H3,(H,23,26)(H3,22,24,27)/t16-,19-/m1/s1/f/h23-24H,22H2 8DCD47BDB0BA69EA