InChI=1/C14H18N4O2/c1-10(13-6-3-7-20-13)16-14(19)18-17-12-5-2-4-11(8-12)9-15/h2,4-5,8,10,13,17H,3,6-7H2,1H3,(H2,16,18,19)/t10-,13-/m0/s1/f/h16,18H 1ACFC2062153F535