InChI=1/C14H18N4O3/c19-13(20)9-6-10(8-15-7-9)16-14(21)17-11-3-5-18-4-1-2-12(11)18/h6-8,11-12H,1-5H2,(H,19,20)(H2,16,17,21)/t11-,12+/m0/s1/f/h16-18H C5C84AD4ED4330D6