InChI=1/C18H28N4O2/c1-2-3-9-16(21-18(19)24)17(23)20-15-10-11-22(13-15)12-14-7-5-4-6-8-14/h4-8,15-16H,2-3,9-13H2,1H3,(H,20,23)(H3,19,21,24)/p+1/t15-,16+/m0/s1/fC18H29N4O2/h20-22H,19H2/q+1 A85BDF39E8E884BE