InChI=1/C18H15N3O3/c22-15-14(17(23)19-11-12-7-3-1-4-8-12)20-16(21-18(15)24)13-9-5-2-6-10-13/h1-10,22H,11H2,(H,19,23)(H,20,21,24)/p-1/fC18H14N3O3/h19H/q-1 5A3EC8EE6E160A06