InChI=1/C15H22N4O/c1-3-18-4-6-19(7-5-18)15-16-10-12-13(17-15)8-11(2)9-14(12)20/h10-11H,3-9H2,1-2H3/t11-/m1/s1 2320A81C4E13C9E6