InChI=1/C21H20N2O5/c1-27-21(26)19(10-15-11-22-18-5-3-2-4-17(15)18)23-20(25)13-28-16-8-6-14(12-24)7-9-16/h2-9,11-12,19,22H,10,13H2,1H3,(H,23,25)/t19-/m1/s1/f/h23H	F3201D9136DAEB9D