InChI=1/C18H26N4O2/c1-14(2)13-22-11-9-21(10-12-22)8-7-17(23)20-16-6-4-3-5-15(16)18(19)24/h3-6H,1,7-13H2,2H3,(H2,19,24)(H,20,23)/p+1/fC18H27N4O2/h20-21H,19H2/q+1 CFAA49F78D388EC8