InChI=1/C18H27N5O/c1-3-4-5-6-9-13-19-14-15(20-13)23-12-18(10-7-8-11-18)21-17(23)22(2)16(14)24/h3-12H2,1-2H3,(H,19,20)/p+2/fC18H29N5O/h19-21H/q+2 867DF37CEFDB8264