InChI=1/C12H14N4O2/c1-7-2-11(13)15-4-8(7)3-9(12(17)18)10-5-14-6-16-10/h2,4-6,9H,3H2,1H3,(H2,13,15)(H,14,16)(H,17,18)/t9-/m0/s1/f/h14-15H,13H2 F5881F26F8A0C8AB