InChI=1/C21H30N4O3/c26-21(24-11-5-7-17-6-1-2-8-18(17)24)16-22-12-14-23(15-13-22)19-9-3-4-10-20(19)25(27)28/h3-4,9-10,17-18H,1-2,5-8,11-16H2/t17-,18-/m0/s1 742B168CEC3C738D