InChI=1/C16H26N4O3/c1-11(20-9-7-5-4-6-8-10-20)13(21)12-14(17)18(2)16(23)19(3)15(12)22/h11H,4-10,17H2,1-3H3/t11-/m0/s1 6719AAF1485E7917