InChI=1/C14H20N4O2/c1-5-7-18(8-6-15)14(20)12-9-11(10(2)16-12)13(19)17(3)4/h1,10-12,16H,7-9H2,2-4H3/t10-,11-,12-/m0/s1 6059DC7424BA5776