InChI=1/C18H18N4O2/c23-22(24)16-5-6-17(18-15(16)4-3-9-19-18)21-12-7-14(8-13-21)20-10-1-2-11-20/h1-6,9-11,14H,7-8,12-13H2 E56644D91AF85093