InChI=1/C14H18N4O2/c1-18(2)9-8-16-13(19)14(20)17-12-5-3-4-11-10(12)6-7-15-11/h3-7,15H,8-9H2,1-2H3,(H,16,19)(H,17,20)/p+1/fC14H19N4O2/h16-18H/q+1 AC1F55551610BFF0