InChI=1/C15H13N3O2/c1-9-7-11-12(8-10-5-3-2-4-6-10)17-18-15(20)13(11)14(19)16-9/h2-7H,8H2,1H3,(H,16,19)(H,18,20)/f/h16,18H 1A8EEFAF10005A7F