InChI=1/C17H18N4O2/c1-2-3-6-12-15(22)20-17(21-16(12)23)19-14-9-4-8-13-11(14)7-5-10-18-13/h4-5,7-10H,2-3,6H2,1H3,(H3,19,20,21,22,23)/f/h19-21H F81463055A81EF31