InChI=1/C19H26N4O/c1-19(2,3)17-15(12-21-23-17)11-20-10-13-4-6-14(7-5-13)18(24)22-16-8-9-16/h4-7,12,16,20H,8-11H2,1-3H3,(H,21,23)(H,22,24)/p+1/fC19H27N4O/h20,22-23H/q+1 53C60824BA767A25