InChI=1/C14H28N4O2/c1-2-9-18(10-12(19)17-13(16)20)14(11-15)7-5-3-4-6-8-14/h2-11,15H2,1H3,(H3,16,17,19,20)/p+1/fC14H29N4O2/h15,17H,16H2/q+1 9683031B6BAC08B5