InChI=1/C15H22N4O2/c16-9-12-4-3-7-19(12)15(21)13-8-11(10-17-13)14(20)18-5-1-2-6-18/h11-13,17H,1-8,10H2/t11-,12-,13-/m0/s1 805CF25689ADA1C1