InChI=1/C18H28N4O3/c1-2-5-16(21-18(19)24)17(23)20-12-14-6-3-4-7-15(14)13-22-8-10-25-11-9-22/h3-4,6-7,16H,2,5,8-13H2,1H3,(H,20,23)(H3,19,21,24)/t16-/m1/s1/f/h20-21H,19H2 8C97AED238CA6DBD