InChI=1/C17H15N3O3/c1-10(11-3-2-4-13(21)9-11)19-14-15(17(23)16(14)22)20-12-5-7-18-8-6-12/h2-10,15,21H,1H3,(H,18,20)/t10-,15+/m1/s1/f/h18H 4D4E6E38F7DF89E2