InChI=1/C14H14N4O2/c1-7-3-2-4-8(5-7)9-6-10(19)16-12-11(9)13(20)18-14(15)17-12/h2-5,9,11H,6H2,1H3,(H3,15,16,17,18,19,20)/t9-,11+/m0/s1/f/h16H,15H2 E4D88994BDFA4295