InChI=1/C21H18N6O4/c28-18(9-8-16-20(30)25-21(31)24-16)26-27-19(29)13-11-17(15-7-3-4-10-22-15)23-14-6-2-1-5-12(13)14/h1-7,10-11,16H,8-9H2,(H,26,28)(H,27,29)(H2,24,25,30,31)/t16-/m1/s1/f/h24-27H 8EE0A0CB218C37B7