InChI=1/C15H18N4O/c1-3-19(12-6-4-10(2)5-7-12)15-13(14(17)20)8-11(16)9-18-15/h4-9H,3,16H2,1-2H3,(H2,17,20)/f/h17H2 EA5FFD5A243F6A77