InChI=1/C15H30N4O2/c1-3-4-7-18(2)11-12-5-8-19(9-6-12)15(21)13(16)10-14(17)20/h12-13H,3-11,16H2,1-2H3,(H2,17,20)/p+2/t13-/m0/s1/fC15H32N4O2/h16,18H,17H2/q+2 79F924F82A901B61