InChI=1/C18H16N6O2/c1-23(10-12-6-3-2-4-7-12)18(25)13-11-24-17(15(19)20-13)21-16(22-24)14-8-5-9-26-14/h2-9,11H,10H2,1H3,(H2,19,20)/f/h19H2 87D915CBECCB04D9