InChI=1/C11H18N4O3/c1-3-11(2)6-8(4-5-18-11)14-10(12)9(7-13-14)15(16)17/h7-8H,3-6,12H2,1-2H3/t8-,11+/m1/s1 7529373F5B1D2C2C