InChI=1/C20H18N4O3/c21-17(25)11-27-15-8-4-5-13(9-15)16-10-18(26)23-20-19(16)22-12-24(20)14-6-2-1-3-7-14/h1-9,12,16H,10-11H2,(H2,21,25)(H,23,26)/t16-/m0/s1/f/h23H,21H2 648FF1C9112779A6