InChI=1/C11H16N6O2/c12-10-9-11(14-5-13-10)17(6-15-9)16-2-1-7(3-18)8(16)4-19/h5-8,18-19H,1-4H2,(H2,12,13,14)/t7-,8+/m1/s1/f/h12H2 64C0E2DD4632525E