InChI=1/C11H11N5O2/c1-12-10-4-2-8(6-13-10)15-11-5-3-9(7-14-11)16(17)18/h2-7H,1H3,(H,12,13)(H,14,15)/p+1/fC11H12N5O2/h12-13,15H/q+1 C2E960F5E18F4699