InChI=1/C14H18N4O/c1-2-6-19-12-5-3-4-10(8-12)7-11-9-17-14(16)18-13(11)15/h3-5,8-9H,2,6-7H2,1H3,(H4,15,16,17,18)/f/h15-16H2 CAE6BCBF5CA4CCAE