InChI=1S/C15H14N4O3/c16-15-18-12-11(13(20)19-15)10(7-17-12)6-3-8-1-4-9(5-2-8)14(21)22/h1-2,4-5,7H,3,6H2,(H,21,22)(H4,16,17,18,19,20)