InChI=1/C18H18N4O3/c1-10-3-5-13(11(2)7-10)17(24)19-9-16(23)20-12-4-6-14-15(8-12)22-18(25)21-14/h3-8H,9H2,1-2H3,(H,19,24)(H,20,23)(H2,21,22,25)/f/h19-22H 501E2F2665EAF238