InChI=1/C18H15N3O3/c22-16-17(23)20-15-9-12(5-6-14(15)19-16)18(24)21-8-7-11-3-1-2-4-13(11)10-21/h1-6,9H,7-8,10H2,(H,19,22)(H,20,23)/f/h19-20H 331D653259EA3429