InChI=1/C22H18N4O5/c27-18-10-16(21(30)25-23-12-14-5-1-3-7-19(14)28)9-17(11-18)22(31)26-24-13-15-6-2-4-8-20(15)29/h1-13,27-29H,(H,25,30)(H,26,31)/b23-12+,24-13+/f/h25-26H BB642FBEB273CF39