InChI=1/C14H13N3O3/c1-9(18)16-11-3-5-12(6-4-11)17-14(20)10-2-7-13(19)15-8-10/h2-8H,1H3,(H,15,19)(H,16,18)(H,17,20)/f/h15-17H 722ADB089E751732