InChI=1/C18H28N4O/c1-4-22(5-2)12-6-7-15(3)21-18(23)14-20-17-10-8-16(13-19)9-11-17/h8-11,15,20H,4-7,12,14H2,1-3H3,(H,21,23)/p+1/t15-/m1/s1/fC18H29N4O/h21-22H/q+1 B581FD28B314C577