InChI=1/C17H18N4O/c18-16-15-14(11-4-3-7-13(22)8-11)9-21(12-5-1-2-6-12)17(15)20-10-19-16/h3-4,7-10,12,22H,1-2,5-6H2,(H2,18,19,20)/f/h18H2 9426E95E953350F3