InChI=1/C17H18N6O2/c1-21-6-8-22(9-7-21)16-13(10-12(11-18)15(19)24)17(25)23-5-3-2-4-14(23)20-16/h2-5,10H,6-9H2,1H3,(H2,19,24)/b12-10+/f/h19H2 F868B8B839EBBEC4