InChI=1/C14H18N4O/c1-11-3-7-18-10-12(16-13(18)9-11)14(19)17-6-2-4-15-5-8-17/h3,7,9-10,15H,2,4-6,8H2,1H3/p+1/fC14H19N4O/h15H/q+1 F400E41EFFF414AC