InChI=1/C11H18N4O3/c1-7-5-8(18-15-7)6-13-9(16)11(2,3)14-10(17)12-4/h5H,6H2,1-4H3,(H,13,16)(H2,12,14,17)/f/h12-14H ED2E14FC567431B0