InChI=1/C14H18N4O/c1-2-7-18-8-6-16-13(14(18)19)17-10-11-4-3-5-12(15)9-11/h3-6,8-9H,2,7,10,15H2,1H3,(H,16,17)/f/h17H D2CB7B8945F58E18